Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Adjective
S: (adj) obtuse (of an angle; between 90 and 180 degrees)
S: (adj) obtuse ((of a leaf shape) rounded at the apex)
S: (adj) obtuse, purblind (lacking in insight or discernment) "too obtuse to grasp the implications of his behavior"; "a purblind oligarchy that flatly refused to see that history was condemning it to the dustbin"- Jasper Griffin
S: (adj) dense, dim, dull, dumb, obtuse, slow (slow to learn or understand; lacking intellectual acuity) "so dense he never understands anything I say to him"; "never met anyone quite so dim"; "although dull at classical learning, at mathematics he was uncommonly quick"- Thackeray; "dumb officials make some really dumb decisions"; "he was either normally stupid or being deliberately obtuse"; "worked with the slow students"