laughnoun/lɐːf/

• 1

  An expression of mirth particular to the human species; the sound heard in laughing; laughter.

  • And the loud laugh that spoke the vacant mind.
  • That man is a bad man who has not within him the power of a hearty laugh.
• 2

  Something that provokes mirth or scorn.

  • “And this rug,” he says, stomping on an old rag carpet. “How much do you suppose that cost?” ¶ It was my first guess, so I said fifty dollars. ¶ “That’s a laugh,” he said. “I paid two thousand for that rug.”
  • Life's a piece of shit / When you look at it / Life's a laugh and death's a joke, it's true.
• 3

  A fun person.

  • a good laugh
  • 2010, The Times, March 14, 2010, Tamzin Outhwaite, the unlikely musical star Outhwaite is a good laugh, yes, she knows how to smile: but deep down, she really is strong and stern.

laughverb/lɐːf/

• 1

  To show mirth, satisfaction, or derision, by peculiar movement of the muscles of the face, particularly of the mouth, causing a lighting up of the face and eyes, and usually accompanied by the emission of explosive or chuckling sounds from the chest and throat; to indulge in laughter.

  • There were many laughing children running on the school grounds.
  • But there was ſuch laughing, Queen Hecuba laught that her eyes ran ore.
• 2

  obsoleteTo be or appear cheerful, pleasant, mirthful, lively, or brilliant; to sparkle; to sport.

  • The green ſtem grows in ſtature and in ſize, / But only feeds with hope the farmer's eyes; / Then laughs the childiſh year with flow'rets crowned, / And laviſhly prefumes the fields around, / But no ſubſtantial nouriſhment receives, / Infirm the ſtalks, unſolid are the leaves.
  • In Folly’s Cup ſtill laughs the Bubble, Joy; [...]
• 3

  To make an object of laughter or ridicule; to make fun of; to deride; to mock.

  • Don't laugh at my new hat, man!
  • No Wit to flatter, left of all his ſtore! / No Fool to laugh at, which he valued more. / There, victor of his health, of fortune, friends, / And fame, this lord of uſeleſs, thouſands ends.
• 4

  To affect or influence by means of laughter or ridicule.

  • Will you laugh me aſleepe, for I am very heauy.
• 5

  To express by, or utter with, laughter.

  • From his deepe cheſt laughes out a lowd applauſe, [...]
  • Fairfax addressed her as "my lady," she laughed her musical laugh, and glanced up at a picture of Gerald with eyes full of exultation.