Meaning of close up

Definition of close up

(adv) very close; "without my reading glasses I can hardly see things close up"; "even firing at close range he missed"
(verb) cease to operate or cause to cease operating; "The owners decided to move and to close the factory"; "My business closes every night at 8 P.M."; "close up the shop"
block passage through; "obstruct the path"
unite or bring into contact or bring together the edges of; "close the circuit"; "close a wound"; "close a book"; "close up an umbrella"
refuse to talk or stop talking; fall silent; "The children shut up when their father approached"

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