Grinning face with smiling eyes

The action or sound of laughing.

• laughter

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  • informal

An act of laughing.

• laugh

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• 
  • informal

A person who laughs.

• laugher

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  • informal

A person who is laughed at; an object of laughter.

• laughee

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  • informal

Make the spontaneous sounds and movements of the face and body that are the instinctive expressions of lively amusement and sometimes also of derision.

• laugh

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  • informal

So ludicrous as to be amusing.

• laughable

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  • informal

In a ludicrous manner; absurdly.

• laughably
• absurdly

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  • informal