fundament meaning

fundament as a noun

1. lowest support of a structure
   • it was built on a base of solid rock
   • he stood at the foot of the tower

   Synonyms: foundation, base, foot, groundwork, substructure, understructure

   Type of: support

   Kinds: bed, raft foundation

2. the fundamental assumptions from which something is begun or developed or calculated or explained
   • the whole argument rested on a basis of conjecture

   Synonyms: basis, base, foundation, groundwork, cornerstone

   Type of: assumption

   Kinds: meat and potatoes

3. the fleshy part of the human body that you sit on
   • he deserves a good kick in the butt
   • are you going to sit on your fanny and do nothing?

   Synonyms: buttocks, nates, arse, butt, backside, bum, buns, can, hindquarters, hind end, keister, posterior, prat, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, behind, derriere, fanny, ass

   Type of: body part