Quirk

n.	1.	A sudden turn; a starting from the point or line; hence, an artful evasion or subterfuge; a shift; a quibble; as, the quirks of a pettifogger. We ground the justification of our nonconformity on dark subtilties and intricate quirks. - Barrow.
	2.	A fit or turn; a short paroxysm; a caprice.
	3.	A smart retort; a quibble; a shallow conceit. Some odd quirks and remnants of wit. - Shak.
	4.	An irregular air; as, light quirks of music.
	5.	(Building) A piece of ground taken out of any regular ground plot or floor, so as to make a court, yard, etc.; - sometimes written quink.
	6.	(Arch.) A small channel, deeply recessed in proportion to its width, used to insulate and give relief to a convex rounded molding. Quirk molding a bead between two quirks.

Noun	1.	quirk - a strange attitude or habit Synonyms: queerness, quirkiness, oddity, crotchet
	2.	quirk - a narrow groove beside a beading
Verb	1.	quirk - twist or curve abruptly; "She quirked her head in a peculiar way"

aberration, anamorphism, anamorphosis, aroma, asymmetry, attribute, badge, boutade, brainstorm, brand, buckle, cachet, capriccio, caprice, cast, cavil, character, characteristic, conceit, configuration, contortion, crank, craze, crazy idea, crookedness, crotchet, cut, detorsion, deviation, differentia, differential, disproportion, distinctive feature, distortion, dodge, earmark, eccentricity, fad, fancy, fantastic notion, fantasy, feature, figure, flavor, flimflam, fool notion, freak, freakish inspiration, gnarl, gust, hallmark, harebrained idea, humor, idiocrasy, imbalance, impress, impression, index, individualism, irregularity, jesuitism, keynote, kink, knot, lineaments, lopsidedness, maggot, mark, marking, megrim, minauderie, mold, nature, notion, odor, particularity, passing fancy, peculiar trait, property, quality, quibble, quillet, quip, quodlibet, savor, screw, seal, shape, shuffle, singularity, smack, specialty, stamp, taint, tang, taste, token, torsion, tortuosity, toy, trademark, trick, trick of behavior, turn, twist, unsymmetry, warp, whim, whim-wham, whimsy, wrench, wrest, wring