Definitions
1.nounAn expression of mirth particular to the human species; the sound heard in laughing; laughter."His deep laughs boomed through the room."
2.nounSomething that provokes mirth or scorn."Your new hat's an absolute laugh, dude."
3.nounA fun person.
4.verbTo 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."There were many laughing children running on the school grounds."
5.verbTo be or appear cheerful, pleasant, mirthful, lively, or brilliant; to sparkle; to sport.
6.verb(followed by "at") To make an object of laughter or ridicule; to make fun of; to deride; to mock."Don't laugh at my new hat, man!"
7.verbTo affect or influence by means of laughter or ridicule.
8.verbTo express by, or utter with, laughter.