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WordReference Random House Learner's Dictionary of American English © 2024ob•tuse /əbˈtus, -ˈtyus/USA pronunciation adj. - not quick or alert in the ability to understand or feel;
insensitive;
dull:an obtuse mind. - (of an angle) greater than 90° but less than 180°.
ob•tuse•ness, n. [uncountable]] WordReference Random House Unabridged Dictionary of American English © 2024ob•tuse (əb to̅o̅s′, -tyo̅o̅s′),USA pronunciation adj. - not quick or alert in perception, feeling, or intellect;
not sensitive or observant;
dull. - not sharp, acute, or pointed;
blunt in form. - Botany(of a leaf, petal, etc.) rounded at the extremity.
- indistinctly felt or perceived, as pain or sound.
- Latin obtūsus dulled (past participle of obtundere), equivalent. to ob- ob- + tūd-, variant stem of tundere to beat + -tus past participle suffix, with dts
- 1500–10
- 1.See corresponding entry in Unabridged unfeeling, tactless, insensitive; blind, imperceptive, unobservant; gauche, boorish; slow, dim.
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