Synonyms and Antonyms for grump

Synonyms:

• unpleasant person
• crab
• crabby person
• disagreeable person
• crosspatch
• fire-eater
• churl
• hothead
• misanthrope
• misanthropist
• crank
• grouch

Antonyms:

• cheer
• stay in place
• unbend
• stable
• unfasten