obtuse
/-ˈtʃuːs/adjective
Slow to understand things, or acting as if you do not understand.
Example sentences
- “Am I being obtuse, or does this plan make no sense?”
- “He was too obtuse to notice she was upset.”
- “Don't be obtuse; you know exactly what I mean.”
Critical and somewhat formal. In geometry, an obtuse angle is one larger than 90 degrees.