01 a. Not pointed or acute; blunt; -- applied esp. to angles greater than a right angle, or containing more than ninety degrees.
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1.
Not pointed or acute; blunt; -- applied esp. to angles greater than a right angle, or containing more than ninety degrees.
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2.
Not having acute sensibility or perceptions; not alert, especially to the feelings of others; dull; stupid; as, obtuse senses.
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3.
Dull; deadened; as, obtuse sound.