obtuseadjective
uk/əbˈtʃuːs/us/ɑːbˈtuːs/obtuse adjective (ANGLE)
specialized mathematics (of an angle) more than 90° and less than 180°
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acute adjective
reflex adjective
Thesaurus: synonyms and related words
Geometry: describing angles, lines & orientations
- angle of incidence
- antinode
- asymptote
- asymptotic
- axial
- corresponding angle
- erect
- horizontal
- oblique
- parallel
- plumb
- prominent
- reflection
- right angle
- secant
- slant
- supplementary angle
- tangent
- tangential
- transversal
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obtuse adjective (STUPID)
formal stupid and slow to understand, or unwilling to try to understand:
The answer's obvious - or are you being deliberately obtuse?
Thesaurus: synonyms and related words
Stupid and silly
- (as) thick as two short planks idiom
- absurd
- adolescent
- against your better judgment idiom
- asinine
- be crazy about sb/sth idiom
- dotty
- dozy
- drink, laugh, etc. yourself silly idiom
- drivel
- dumb
- gibber
- laughable
- loony
- loopy
- lumpen
- lumpish
- slow
- witless
- wrongheaded
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obtusely
adverb uk/əbˈtʃuːs.li/us/ɑːbˈtuːs.li/formal
obtuseness
noun [ U ] uk/əbˈtʃuːs.nəs/us/ɑːbˈtuːs.nəs/formal