Adjective obtuse has 4 senses
  1. obtuse - of an angle; between 90 and 180 degrees
    Antonym:
    acute
  2. obtuse - of a leaf shape; rounded at the apex
    Antonym:
    compound (indirect, via simple)
  3. 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
    Antonym: discerning (indirect, via undiscerning)
  4. 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"
    Antonym: smart (indirect, via stupid)
,
TOP