a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural); "ancient Greek had the dual form but it has merged with the plural form in modern Greek"
having or experiencing a rapid onset and short but severe course; "acute appendicitis"; "the acute phase of the illness"; "acute patients"
of critical importance and consequence; "an acute (or critical) lack of research funds"
extremely sharp or intense; "acute pain"; "felt acute annoyance"; "intense itching and burning"
having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"
lacking in insight or discernment; "too obtuse to grasp the implications of his behavior"; "a purblind oligarchy that flatly refused to see that history was condemning it to the dustbin"- Jasper Griffin
marked by skill in deception; "cunning men often pass for wise"; "deep political machinations"; "a foxy scheme"; "a slick evasive answer"; "sly as a fox"; "tricky Dick"; "a wily old attorney"
(of colors or sounds) intensely vivid or loud; "a violent clash of colors"; "her dress was a violent red"; "a violent noise"; "wild colors"; "wild shouts"
effected by force or injury rather than natural causes; "a violent death"
acting with or marked by or resulting from great force or energy or emotional intensity; "a violent attack"; "a violent person"; "violent feelings"; "a violent rage"; "felt a violent dislike"
intended to deceive; "deceitful advertising"; "fallacious testimony"; "smooth, shining, and deceitful as thin ice" - S.T.Coleridge; "a fraudulent scheme to escape paying taxes"