truculent: /'trukjələnt, 'trʌkjʊlənt/ a. Syn. belligerent disposed to fight; belligerent; aggressively hostile The bully was initially truculent but eventually stopped picking fights at the least provocation.
turpitude: /'tɜrpɪtju:d/;/-tu:d/ n. Syn. depravity depravity; corrupt, depraved, or degenerate act A visitor may be denied admittance to this country if she has been guilty of moral turpitude.
ubiquitous: /ju:'bɪkwɪtəs/ a. Syn. omnipresent being or existing everywhere; omnipresent That Christmas "The Little Drummer Boy" seemed ubiquitous; we heard the tune everywhere.
usurp: /'jʊzəp/ v. Syn. appropriate seize and hold power or rights of another by force or without legal authority The revolution ended when the victorious rebel general succeeded in his attempt to usurp the throne.