Definition of "laugh" []

• To express certain emotions, especially mirth or delight, by a series of spontaneous, usually unarticulated sounds often accompanied by corresponding facial and bodily movements. (verb-intransitive)
• To show or feel amusement or good humor: an experience we would laugh about later on. (verb-intransitive)
• To feel or express derision or contempt; mock: I had to laugh when I saw who my opponent was. (verb-intransitive)
• To feel a triumphant or exultant sense of well-being: You won't be laughing when the truth comes out. (verb-intransitive)
• To produce sounds resembling laughter: parrots laughing and chattering in the trees. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "A man, to laugh well, must be an honest man -- mind, I say _laugh_: when Shakspeare says"
• "… Is Wagner’s “Parsifal” his secret laugh of superiority at himself, the triumph of his last and most exalted state of artistic freedom, of artistic transcendence — is it Wagner able to _laugh_ at himself?"
• "But intriguingly, it appears that the laughter of prehistoric people is echoed in the word laugh."