antic

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A ludicrous or extravagant act or gesture; a caper.
2. n. Archaic A buffoon, especially a performing clown.
3. adj. Ludicrously odd; fantastic.

Century Dictionary and Cyclopedia

1. Belonging to former times; ancient; antique.
2. Having existed for a long time; old; aged.
3. Proper to former times; antiquated; old-fashioned.
4. Fantastic, grotesque, odd, strange, or ludicrous, in form, dress, gesture, or posture.
5. n. A man of ancient times; an ancient; in plural, the ancients.
6. n. In art, antic work; a composition consisting of fantastic figures of men, animals, foliage, and flowers incongruously combined or run together; a fantastic, grotesque, or fanciful figure. The term is applied to certain ancient sculptures, etc., and to such figures as Raphael's arabesques; and in architecture to figures of griffins, sphinxes, centaurs, etc., introduced as ornaments.
7. n. A grotesque, fantastic, odd, strange, or ludicrous gesture or posture; a fantastic trick; a piece of buffoonery; a caper.
8. n. A grotesque pageant; a piece of mummery; a ridiculous interlude; a mask.
9. n. A buffoon; a clown; a merry-andrew.
10. To make antic or grotesque.
11. To perform antics; play tricks; cut capers.

Wiktionary

1. adj. architecture, art Grotesque, incongruous.
2. adj. Grotesque, bizarre; absurd.
3. adj. obsolete Alternative form of antique.
4. n. architecture, art, obsolete A grotesque representation of a figure; a gargoyle.
5. n. A caricature.
6. n. often in plural A ludicrous gesture or act; ridiculous behaviour.
7. n. A grotesque performer or clown.
8. n. animation A pose, often exaggerated, in anticipation of an action; for example, a brief squat before jumping
9. v. intransitive To perform antics.
10. v. this sense?) To make a fool of.
11. v. transitive, rare To perform (an action) as an antic; to mimic ridiculously.

GNU Webster's 1913

1. adj. (Zoöl.) Old; antique.
2. adj. Odd; fantastic; fanciful; grotesque; ludicrous.
3. n. A buffoon or merry-andrew; one that practices odd gesticulations; the Fool of the old play.
4. n. An odd imagery, device, or tracery; a fantastic figure.
5. n. A grotesque trick; a piece of buffoonery; a caper.
6. n. (Arch.), obsolete A grotesque representation.
7. n. Obs. or R. An antimask.
8. v. obsolete To make appear like a buffoon.
9. v. To perform antics.

WordNet 3.0

1. v. act as or like a clown
2. adj. ludicrously odd
3. n. a ludicrous or grotesque act done for fun and amusement