Definition of laugh :
1. An expression of mirth peculiar to the human species; the sound heard in laughing; laughter. See Laugh, v. i.
2. Fig.: To be or appear gay, cheerful, pleasant, mirthful, lively, or brilliant; to sparkle; to sport.
3. To affect or influence by means of laughter or ridicule.
4. To express by, or utter with, laughter; - with out.
5. 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.
belly laugh, howl, knee-slapper, titter, ha-ha, custard pie, horse laugh, quip, cackle, ridicule, gag, mocking, convulsion, twitter, cachinnation, witticism, jocularity, haw-haw, smile, snort, amusement, yuk, lampoon, giggle, wheeze, mockery, express mirth, sally, wisecrack, jeer, shout of laughter, funny, caper, crack, twit, muzzle, waggery, rib, respect, shriek, mock, snigger, nifty, yak, hee-haw, mirth, snicker, chuckle, quiz, trick, tee-hee, boffola, prank, jest, heehaw, burlesque, peal, ho-ho, antic, cachinnate, gibe, chortle, scout, jeering, crow, deride, josh, express joy, joke, sound of merriment, peal of laughter, force a smile/laugh, hoot, scoff, laughter, jape, riot, pleasantry, boff, drollery, horselaugh, roar, fit of laughter, one-liner, guffaw, put-on
- He made her laugh a lot. - "Helena Brett's Career", Desmond Coke.
- No, sink me, if I told you what it was, you wouldn't laugh; so you'll all have to wait till you get back aboard to hear it. - "Mr. Trunnell", T. Jenkins Hains.
- Laugh as much as you please, messieurs! - "San-Cravate; or, The Messengers; Little Streams", Charles Paul de Kock.