Yes to definition #2 - Blunt.
ob·tuse
[əbˈt(y)o͞os, äbˈt(y)o͞os]
ADJECTIVE
ob·tuse
[əbˈt(y)o͞os, äbˈt(y)o͞os]
ADJECTIVE
- annoyingly insensitive or slow to understand:
"he wondered if the doctor was being deliberately obtuse"
synonyms: stupid · slow-witted · slow · dull-witted · unintelligent ·
[more]- difficult to understand:
"some of the lyrics are a bit obtuse"
- difficult to understand:
- (of an angle) more than 90° and less than 180°.
- not sharp-pointed or sharp-edged; blunt.