IN MATH: 1. adj. in reference to angles, an angle whose measure is greater than but less than . EX. An angle of is obtuse. 2. adj. in reference to triangles, a triangle having 1 obtuse angle. EX. On a plane, if one angle of a triangle is obtuse the other two angles must be acute.
IN ENGLISH: 1. not very intelligent; not very perceptive; slow. EX. Don't be so obtuse, Martha. Of course he likes you.
APPLICATION: (see list 260)
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