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acute
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1
able to sense slight impressions or differences<dogs, with their acute sense of smell, are used for finding toxic substances undetectable by humans>Synonymsdelicate, keen, perceptive, sensitive, sharpRelated Wordsaccurate, clear, discerning, fine, good, piercing, precise, quick, receptive, sensible, subtle; hypersensitive, oversensitive, supersensitiveNear Antonymsbad, deadened, dimmed, dull, dulled, fading; dead, imperceptive, insensible, insensitive, numb; imprecise, inaccurate
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needing immediate attention<famine caused by an acute shortage of grain>Synonymscritical, crying, dire, imperative, imperious, instant, pressing, urgentRelated Wordscompelling, demanding, extreme, immediate, insistent, intense, overriding; crucial, desperate, grave, life-and-death, serious, severe, vital; dangerous, explosive, hazardous, perilous, precarious, unstableNear Antonymsincidental, low-pressure, minor, negligible, trivial, unimportant; nonthreatening, safe, stableAntonymsnoncritical, nonurgent
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causing intense mental or physical distress<the acute pain in his side was quickly diagnosed as appendicitis>— see sharp 2
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having a high musical pitch or range<the acute sound of a siren>— see shrill
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