Common words that rhyme with grumpy include jumpy, philanthropy, unhappy, dippy, happy, chirpy, peppy, reoccupy, jalopy, nippy, stroppy, creepy, spy, entropy and duppy.
He seemed unhappy with the outcome.
Are you happy or just pretending?
She drove a zippy little car.
He is requesting a copy of the report.
The therapy session made her feel better.