Definition

Noun: A person who is habitually irritable, complaining, or ill-tempered; a grouchy or surly individual.

Usage

The word "grump" is a countable noun used to describe someone, often in a mildly humorous or informal way, who is in a bad mood or who is frequently bad-tempered. It focuses on the person's character or temporary state of irritability.

Examples

• Don't mind him this morning; he's a bit of a grump before he has his coffee.
• The old man next door is known as the neighborhood grump.
• She can be a real grump when she's tired.

Advanced Usage

• "to be/act like a grump": To behave in a grumpy manner.
  • He's been acting like a grump all day because of the rain.
• "to have a grump on" (British, informal): To be in a bad mood.
  • She's got a bit of a grump on because her team lost.

Variants and Related Words

• Grumpy (adjective): The adjective form, meaning bad-tempered or irritable.
  • He woke up feeling grumpy.
• Grumpiness (noun): The state or quality of being grumpy.
  • His grumpiness is hard to be around.

Synonyms

• Grouch
• Curmudgeon
• Crank
• Sourpuss (informal)
• Misanthrope (more formal, implies a dislike of people)

Idioms and Phrases

• "Don't be such a grump!": A common, informal exhortation telling someone to stop being bad-tempered.
  • Oh, come on, don't be such a grump! It's a party!

Noun

1. a bad-tempered person