Definitions from Wiktionary ( )

▸ noun:  An expression of mirth particular to the human species; the sound heard in laughing; laughter.
▸ noun:  Something that provokes mirth or scorn.
▸ noun:  (British, New Zealand) A fun person.
▸ verb:  (intransitive) 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.
▸ verb:  (intransitive, figuratively, obsolete) To be or appear cheerful, pleasant, mirthful, lively, or brilliant; to sparkle; to sport.
▸ verb:  (intransitive, followed by "at") To make an object of laughter or ridicule; to make fun of; to deride; to mock.
▸ verb:  (transitive) To affect or influence by means of laughter or ridicule.
▸ verb:  (transitive) To express by, or utter with, laughter.

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▸ Words similar to laugh
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