Words beginning with SU

1,585 words and phrases start with the letters SU.

suasible(adjective) being susceptible to persuasion
suasion(noun) the act of persuading (or attempting to persuade); communication intended to induce belief or action
suave(adjective) having a sophisticated charm
suavely(adverb) with suavity; in a suave manner
suaveness(noun) the quality of being bland and gracious or ingratiating in manner
suavity(noun) the quality of being bland and gracious or ingratiating in manner
sub(verb) be a substitute
sub-assembly(noun) a unit assembled separately but designed to fit with other units in a manufactured product
sub-interval(noun) an interval that is included in another interval
sub-rosa(adjective) designed and carried out secretly or confidentially
sub-Saharan(adjective) of or relating to or situated in the region south of the Sahara Desert
Sub-Saharan Africa(noun) the region of Africa to the south of the Sahara Desert
sub-test(noun) one of a battery of related tests
sub judice(adjective) before a judge or court of law; awaiting judicial determination
sub rosa(adverb) in secret or covertly
subacid(adjective) slightly sour to the taste
subacute(adjective) less than acute; relating to a disease present in a person with no symptoms of it
subacute bacterial endocarditis(noun) a chronic bacterial infection of the endocardium and heart valves; symptoms develop slowly
subacute inclusion body encephalitis(noun) a rare chronic progressive encephalitis caused by the measles virus and occurring primarily in children and…
subacute sclerosing leukoencephalitis(noun) a rare chronic progressive encephalitis caused by the measles virus and occurring primarily in children and…
subacute sclerosing panencephalitis(noun) a rare chronic progressive encephalitis caused by the measles virus and occurring primarily in children and…
subalpine(adjective) growing at high altitudes
subalpine fir(noun) medium-tall timber tree of the Rocky Mountains having a narrowly conic to columnar crown
subalpine larch(noun) medium-sized larch of the Rocky Mountains; closely related to Larix occidentalis
subaltern(adjective) inferior in rank or status
subaquatic(adjective) growing or remaining under water
subaqueous(adjective) growing or remaining under water
subarachnoid space(noun) a space in the meninges beneath the arachnoid membrane and above the pia mater that contains the…
subarctic(adjective) of or relating to latitudes just south of the Arctic Circle
subartesian(adjective) (of water) rising naturally in a well to a height appreciably above that of the surrounding water table but…
subatomic(adjective) of or relating to constituents of the atom or forces within the atom
subatomic particle(noun) a body having finite mass and internal structure but negligible dimensions
subbase(noun) the lowest molding of an architectural base or of a baseboard
subbing(noun) working as a substitute for someone who is ill or on leave of absence
subclass(noun) (biology) a taxonomic category below a class and above an order
subclass Acnidosporidia(noun) a subclass of Sporozoa
subclass Actinopoda(noun) heliozoans; radiolarians
subclass Alismatidae(noun) one of four subclasses or superorders of Monocotyledones; comprises about 500 species in 14 families of…
subclass Amphineura(noun) a class of Gastropoda
subclass Anapsida(noun) oldest known reptiles; turtles and extinct Permian forms
subclass Archaeornithes(noun) primitive reptile-like fossil birds of the Jurassic or early Cretaceous
subclass Archosauria(noun) a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs;…
subclass Arecidae(noun) one of four subclasses or superorder of Monocotyledones; comprises about 6400 species in 5 families of trees…
subclass Asteridae(noun) a group of mostly sympetalous herbs and some trees and shrubs mostly with 2 fused carpels; contains 43…
subclass Branchiopoda(noun) primitive aquatic mainly freshwater crustaceans: fairy shrimps; brine shrimps; tadpole shrimps; can shrimps;…
subclass Caryophyllidae(noun) a group of families of mostly flowers having basal or central placentation and trinucleate pollen (binucleate…
subclass Cirripedia(noun) barnacles
subclass Cnidosporidia(noun) single-host parasites of lower vertebrates and invertebrates
subclass Commelinidae(noun) one of four subclasses or superorders of Monocotyledones; comprises about 19,000 species in 25 families of…
subclass Copepoda(noun) minute planktonic or parasitic crustaceans
subclass Crossopterygii(noun) fishes having paired fins resembling limbs and regarded as ancestral to amphibians
subclass Diapsida(noun) used in former classifications to include all living reptiles except turtles; superseded by the two…
subclass Dibranchia(noun) comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda…
subclass Dibranchiata(noun) comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda…
subclass Dilleniidae(noun) a group of families of more or less advanced trees and shrubs and herbs having either polypetalous or…
subclass Dipnoi(noun) bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes…
subclass Discomycetes(noun) a large and taxonomically difficult group of Ascomycetes in which the fleshy fruiting body is disklike or…
subclass Elasmobranchii(noun) sharks; rays; dogfishes; skates
subclass Entomostraca(noun) in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia; no longer…
subclass Euascomycetes(noun) category not used in many classification systems
subclass Euryalida(noun) basket stars
subclass Eutheria(noun) all mammals except monotremes and marsupials
subclass Exopterygota(noun) subclass of insects characterized by gradual and usually incomplete metamorphosis
subclass Hamamelidae(noun) a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed…
subclass Heterobasidiomycetes(noun) category used in some classification systems for various basidiomycetous fungi including rusts and smuts
subclass Holocephali(noun) chimaeras and extinct forms
subclass Homobasidiomycetes(noun) category used in some classification systems for various basidiomycetous fungi including e.g. mushrooms and…
subclass Infusoria(noun) in some recent classifications, coextensive with the Ciliata: minute organisms found in decomposing infusions…
subclass Lepidosauria(noun) diapsid reptiles: lizards; snakes; tuataras
subclass Liliidae(noun) one of four subclasses or superorders of Monocotyledones; comprises 17 families including: Liliaceae;…
subclass Magnoliidae(noun) a group of families of trees and shrubs and herbs having well-developed perianths and apocarpous ovaries and…
subclass Malacostraca(noun) largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial…
subclass Metatheria(noun) pouched animals
subclass Ophiurida(noun) brittle stars
subclass Opisthobranchia(noun) gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs;…
subclass Ostracoda(noun) seed shrimps
subclass Pantotheria(noun) generalized extinct mammals widespread during the Jurassic; commonly conceded to be ancestral to marsupial…
subclass Phytomastigina(noun) plantlike flagellates containing chlorophyll; often considered unicellular algae
subclass Prototheria(noun) echidnas; platypus
subclass Rhizopoda(noun) creeping protozoans: amoebas and foraminifers
subclass Rosidae(noun) a group of trees and shrubs and herbs mostly with polypetalous flowers; contains 108 families including…
subclass Selachii(noun) sharks; rays; dogfishes; skates
subclass Synapsida(noun) extinct reptiles of the Permian to Jurassic considered ancestral to mammals
subclass Teleostei(noun) large diverse group of bony fishes; includes most living species
subclass Telosporidia(noun) parasitic sporozoans that form spores containing one or more infective sporozoites
subclass Zoomastigina(noun) in some classifications considered a phylum of the kingdom Protista; holozoic or saprozoic flagellates
subclavian(adjective) situated beneath the clavicle
subclavian artery(noun) either of two arteries that supply blood to the neck and arms
subclavian vein(noun) a continuation of the axillary vein; joins the internal jugular to form the brachiocephalic vein
subclinical(adjective) relating to the stage in the development of a disease before the symptoms are observed
subclinical absence(noun) a transient impairment of cortical function demonstrable only by 3-per-second brainwave spikes
subcommittee(noun) a subset of committee members organized for a specific purpose
subcompact(noun) a car smaller than a compact car
subcompact car(noun) a car smaller than a compact car
subconscious(adjective) just below the level of consciousness
subconscious mind(noun) psychic activity just below the level of awareness
subconsciously(adverb) from the subconscious mind
subconsciousness(noun) a state of mind not immediately available to consciousness
subcontinent(noun) a large and distinctive landmass (as India or Greenland) that is a distinct part of some continent
subcontract(verb) arranged for contracted work to be done by others

subcontractor(noun) someone who enters into a subcontract with the primary contractor
subcortical(adjective) of or relating to or being or involving nerve centers below the cerebral cortex
subculture(noun) a social group within a national culture that has distinctive patterns of behavior and beliefs
subcutaneous(adjective) relating to or located below the epidermis
subcutaneous injection(noun) an injection under the skin
subcutaneous test(noun) a form of skin test in which the suspected allergen is injected into the skin
subcutaneously(adverb) below the skin
subdata base(noun) a subset of data in a database that are used in a specific application
subdeacon(noun) a clergyman an order below deacon; one of the Holy Orders in the unreformed western Christian church and the…
subdirectory(noun) (computer science) a directory that is listed in another directory
subdivide(verb) form into subdivisions
subdivider(noun) someone who divides parts into smaller parts (especially a divider of land into building sites)
subdivision(noun) an area composed of subdivided lots
subdivision Ascomycota(noun) a large subdivision of Eumycota including Hemiascomycetes and Plectomycetes and Pyrenomycetes and…
subdivision Ascomycotina(noun) a large subdivision of Eumycota including Hemiascomycetes and Plectomycetes and Pyrenomycetes and…
subdivision Basidiomycota(noun) comprises fungi bearing the spores on a basidium; includes Gasteromycetes (puffballs) and Tiliomycetes…
subdivision Basidiomycotina(noun) comprises fungi bearing the spores on a basidium; includes Gasteromycetes (puffballs) and Tiliomycetes…
subdivision Coniferophytina(noun) cone-bearing gymnosperms dating from the Carboniferous period; most are substantial trees; includes the…
subdivision Cycadophyta(noun) palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a…
subdivision Cycadophytina(noun) palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a…
subdivision Deuteromycota(noun) large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is…
subdivision Deuteromycotina(noun) large and heterogeneous form division of fungi comprising forms for which no sexually reproductive stage is…
subdivision Ginkgophyta(noun) ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications…
subdivision Ginkgophytina(noun) ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications…
subdivision Gnetophytina(noun) gymnospermous flowering plants; supposed link between conifers and angiosperms; in some systems classified as…
subdivision Mastigomycota(noun) fungi in which the spores and gametes are motile; in some systems placed in the Phycomycetes group with the…
subdivision Mastigomycotina(noun) fungi in which the spores and gametes are motile; in some systems placed in the Phycomycetes group with the…
subdivision Pinophytina(noun) most conifers: in some systems classified as a class (Pinopsida) and in others as a subdivision…
subdivision Pteropsida(noun) used in former classifications to include all ferns and flowering plants and divided into the three classes…
subdivision Taxophytina(noun) yews: in some systems classified as a class (Taxopsida) and in others as a subdivision (Taxophytina) used in…
subdivision Zygomycota(noun) division of fungi having sexually produced zygospores
subdivision Zygomycotina(noun) division of fungi having sexually produced zygospores
subdominant(noun) (music) the fourth note of the diatonic scale
subduable(adjective) susceptible to being subjugated
subduction(noun) a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle…
subdue(verb) put down by force or intimidation
subdued(adjective) in a softened tone
subduedness(noun) the property of lights or sounds that lack brilliance or are reduced in intensity
subduer(noun) someone who overcomes and establishes ascendancy and control by force or persuasion
subdural(adjective) below the dura mater but above the arachnoid membrane of the meninges
subedit(verb) edit and correct (written or printed material)
subeditor(noun) an assistant editor
suberic acid(noun) a dicarboxylic acid found in cork
subfamily(noun) (biology) a taxonomic category below a family
subfamily Acoraceae(noun) used in some classifications for the genus Acorus which is usually assigned to Araceae
subfamily Anserinae(noun) used in some classifications for the swans
subfamily Bassariscidae(noun) in some classifications considered a separate family
subfamily Bovinae(noun) term not used technically; essentially coextensive with genus Bos: cattle; buffalo; and sometimes includes…
subfamily Cabombaceae(noun) in some classifications considered an independent family of water lilies; comprises the genera Cabomba and…
subfamily Caesalpinioideae(noun) alternative name in some classification systems for the family Caesalpiniaceae
subfamily Carduelinae(noun) used in some classifications for a subgroup of finches
subfamily Carpinaceae(noun) used in some classification systems for the genera Carpinus, Ostryopsis, and Ostryopsis
subfamily Cetoniidae(noun) considered a separate family in some classification systems
subfamily Corylaceae(noun) used in some classification systems for the genus Corylus
subfamily Dorylinae(noun) army ants
subfamily Dracaenaceae(noun) one of two subfamilies to which some classification systems assign some members of the Agavaceae
subfamily Dracenaceae(noun) one of two subfamilies to which some classification systems assign some members of the Agavaceae
subfamily Emberizidae(noun) buntings and some New World sparrows
subfamily Emberizinae(noun) buntings and some New World sparrows
subfamily Garrulinae(noun) subfamily of the crow family: jays
subfamily Gerbillinae(noun) gerbils
subfamily Hydromyinae(noun) water rats of Australia and New Guinea
subfamily Loriinae(noun) lories
subfamily Lutrinae(noun) subdivision not used in some classifications: otters
subfamily Malaconotinae(noun) an African bush shrikes
subfamily Melinae(noun) subdivision not used in some classifications: badgers
subfamily Melolonthidae(noun) considered a separate family in some classification systems
subfamily Mephitinae(noun) subdivision not used in some classifications: skunks
subfamily Merginae(noun) mergansers and closely related diving birds
subfamily Mimosoideae(noun) alternative name used in some classification systems for the family Mimosaceae
subfamily Nelumbonaceae(noun) in some classifications considered an independent family of water lilies; comprises the single genus Nelumbo
subfamily Numididae(noun) guinea fowl and related birds of Africa and Madagascar
subfamily Numidinae(noun) guinea fowl and related birds of Africa and Madagascar
subfamily Papilionoideae(noun) alternative name used in some classification systems for the family Papilionaceae
subfamily Perdicidae(noun) Old World partridges
subfamily Perdicinae(noun) Old World partridges
subfamily Peristediinae(noun) in some classifications considered a subfamily of Triglidae comprising the armored searobins
subfamily Petauristidae(noun) Old World flying squirrels
subfamily Philadelphaceae(noun) one genus; usually included in family Hydrangeaceae
subfamily Potoroinae(noun) rat kangaroos
subfamily Pythoninae(noun) Old World boas: pythons; in some classifications considered a separate family from Boidae
subfamily Smilacaceae(noun) one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted
subfamily Sterninae(noun) terns
subfamily Sylviinae(noun) alternative classification for the Old World warblers
subfamily Taxodiaceae(noun) coniferous trees; traditionally considered an independent family though recently included in Cupressaceae in…
subfamily Triglinae(noun) in some classifications considered a subfamily of Triglidae comprising searobins having ordinary scales and…
subfamily Turdinae(noun) alternative classification for the thrushes
subfamily Uvulariaceae(noun) one of many subfamilies into which some classification systems subdivide the Liliaceae
subfigure(noun) a figure that is a part of another figure
subfusc(adjective) devoid of brightness or appeal
subgenus(noun) (biology) taxonomic group between a genus and a species
subgenus Azalea(noun) group of evergreen or deciduous shrubs formerly considered a separate genus; now included in the genus…
subgenus Azaleastrum(noun) group of evergreen or deciduous shrubs formerly considered a separate genus; now included in the genus…
subgenus Calliopsis(noun) used in some classification systems for some plants of genus Coreopsis
subgenus Chen(noun) wild goose having white adult plumage
subgenus Pastor(noun) only the rose-colored starlings; in some classifications considered a separate genus
subgenus Poinciana(noun) small subgenus of ornamental tropical shrubs or trees; not recognized in some classifications
subgross(adjective) too small to be visible to the naked eye
subgroup(noun) a distinct and often subordinate group within a group
subhead(noun) a heading of a subdivision of a text