curmudgeonly
/kərˈmʌdʒənli/
adjective
- Having the qualities of a curmudgeon; grumpy, bad-tempered, or easily annoyed.
- His curmudgeonly remarks made everyone at the meeting uncomfortable.
- The old professor had a curmudgeonly way of grading papers, rarely giving an A.
- Despite her curmudgeonly exterior, she was actually very kind to animals.