Definition of curmudgeonly in US English:

curmudgeonly

adjective

  • (especially of an old person) bad-tempered and negative.

    ‘a curmudgeonly old man’
    ‘I enjoy a good curmudgeonly rant about how English is going to the dogs these days’

Pronunciation

curmudgeonly

/kərˈmədʒ(ə)nli//kərˈməj(ə)nlē/