grump

/ɡrʌmp/
verb
  1. To complain or be in a bad mood in a grumpy way.
    • He grumped about the long line at the grocery store.
    • She grumped that the movie was too long and boring.
    • Stop grumping and help me carry these bags.
Synonyms
noun
  1. A person who is often in a bad mood or complains a lot.
    • The old grump next door yelled at us for stepping on his grass.
    • My uncle is a cheerful grump who pretends to hate everything.
    • Don't be such a grump—the weather is actually nice today.
  2. A bad mood or a fit of sulking.
    • He's been in a grump all morning because he lost his keys.
    • I can't talk to him when he's in a grump.
    • She had a little grump after her team lost the game.
Antonyms
What does "grump" mean? | whatsthatwordmean | whatsthatwordmean