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"
1. (verb)laugh to make a sound because sth is funny I laughed so hard in that movie.; to laugh at a joke; She really makes me laugh.
2. laugh laugh your head off to laugh a lot We laughed our heads off when we saw him in that suit.
3. laugh no laughing matter very serious What you did was illegal - this is no laughing matter.
4. (noun)laugh the sound sb makes when sth is funny his big, loud laugh; My jokes weren't getting any laughs.
5. laugh a laugh an enjoyable experience; = fun It wasn't serious - we just did it for a laugh.
Definition of 'laugh'
Webster Dictionary
1. (noun)laugh an expression of mirth peculiar to the human species; the sound heard in laughing; laughter. See Laugh, v. i
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
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.