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.

Fig.: To be or appear gay, cheerful, pleasant, mirthful, lively, or brilliant; to sparkle; to sport.

An expression of mirth peculiar to the human species; the sound heard in laughing; laughter. See Laugh, v. i.

a smile that burst

a smile that bursts

a smile with a soundtrack

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 hisown jest"; "even a schoolboy's jape is supposed to have some ascertainable point"

a humor mailing list I run

a surprise," he once said in an interview, "and all humor is physical

a terrible weapon

a reflexive response, you can't help it, it's like a hiccup, and when you take in that breath, you're taking in the venom you've just watched

a priceless gift and brightens everyone's day who hears it

a at the greasy slimy mount forward seem oh

To express by, or utter with, laughter; -- with out.

To affect or influence by means of laughter or ridicule.

a great addition to a toast, but never at someone's expense

a special Box Wallpaper for your P

a union with the child within us all

produce laughter