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English definition of “obtuse”

obtuse

adjective (STUPID)    /əbˈtjuːs/ US  /ɑːbˈtuːs/ formal
stupid and slow to understand, or unwilling to try to understand: Surely the answer's obvious - or are you being deliberately obtuse?Stupid and sillyOf unsound mind obtusely     /-li/ adverb formal obtuseness     /-nəs/ noun [U] formal
(Definition of obtuse adjective (STUPID) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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