noun

crab

crab, grump

We saw a small crab on the beach.

We saw a small crab on the beach.

Don't be such a crab, it's a lovely day.

Don't be such a crab, it's a lovely day.

((a/the)) crab a sea creature with a shell We saw a small crab on the beach.

((a)) crab a grumpy person Don't be such a crab, it's a lovely day.

Synonyms: crustacean; grump, curmudgeon

From Old English *crabba*. The sense of 'an irritable person' likely comes from the animal's sideways, seemingly cross manner of walking.

Picture a crab snapping its claws angrily to remember the meaning 'a grumpy person'.

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