WordNet Dictionary- [adj] defiantly aggressive; "as truculent as a small boy who thinks his big brother can lick anybody"
- [adj] aggressively hostile; "a truculent speech against the new government"
Webster's 1913 Dictionary\Tru"cu*lent\, a. [L. truculentus, fr. trux, gen.
trucis, wild, fierce: cf. F. truculent.]
1. Fierce; savage; ferocious; barbarous; as, the truculent
inhabitants of Scythia. --Ray.
2. Cruel; destructive; ruthless.
More or less truculent plagues. --Harvey.