1. (v.i.)laugh to express mirth, pleasure, derision, or nervousness with an audible, vocalexpulsion of air from the lungs that can range from a loud burst of sound to a series of quiet chuckles and is usu. accompanied by characteristicfacial and bodily movements.
2. laugh to feel the emotion so expressed: She laughed inwardly at the scene.
3. laugh to produce a sound resembling laughter: A coyote laughed in the dark.
4. (v.t.)laugh to drive, put, bring, etc., by or with laughter (often fol. by out, away, down, etc.): They laughed him out of town.
5. laugh to utter with laughter: He laughed his consent.
3. (verb)joke, gag, laugh, jest, jape a humorous anecdote or remark intended to provoke laughter "he told a very funny joke"; "he knows a million gags"; "thanks for the laugh"; "he laughed unpleasantly at his own jest"; "even a schoolboy's jape is supposed to have some ascertainable point"
2. (verb)Laugh 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
3. (verb)Laugh fig.: To be or appear gay, cheerful, pleasant, mirthful, lively, or brilliant; to sparkle; to sport
4. (verb)Laugh to affect or influence by means of laughter or ridicule
5. (verb)Laugh to express by, or utter with, laughter; -- with out
Sense: to make sounds with the voice in showing happiness, amusement, scorn etc We laughed at the funny photographs; Children were laughing in the garden as they played.