having or experiencing a rapid onset and short but severe course; "acute appendicitis", "the acute phase of the illness", "acute patients". Antonyms:chronic.
extremely sharp or intense; "acute pain", "felt acute annoyance", "intense itching and burning". Synonyms:intense.
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". Synonyms:discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp.
of an angle; less than 90 degrees. Antonyms:obtuse.
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