acute
adjective
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having or experiencing a rapid onset and short but severe course“acute appendicitis”
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of critical importance and consequence“an acute (or critical) lack of research funds”
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extremely sharp or intense“acute pain”intense
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having or demonstrating ability to recognize or draw fine distinctions“an acute observer of politics and politicians”sharp
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ending in a sharp pointsharp
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of an angleobtuse
noun
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a mark (') placed above a vowel to indicate pronunciationacute accentague