- (v.t.) To express by or utter with, laughter; -- with out.
- (v.i.) 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.
- (v.i.) Fig.: To be or appear gay, cheerful, pleasant, mirthful, lively or brilliant; to sparkle; to sport.
- (v.t.) To affect or influence by means of laughter or ridicule.
- (n.) An expression of mirth peculiar to the human species; the sound heard in laughing; laughter. See Laugh, v. i.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). laugh. Retrieved September 24, 2026, from http://smartdefine.org/laugh/definitions/2026879 |
| Chicago | Webster's. 2011. "laugh" http://smartdefine.org/laugh/definitions/2026879 (accessed September 24, 2026). |
| Harvard | Webster's 2011, laugh, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/laugh/definitions/2026879>. |
| MLA | Webster's. "laugh" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/laugh/definitions/2026879> |