Search Result for "idiosyncrasy": 
Wordnet 3.0

NOUN (1)

1. a behavioral attribute that is distinctive and peculiar to an individual;
[syn: idiosyncrasy, foible, mannerism]

The Collaborative International Dictionary of English v.0.48:

Idiosyncrasy \Id`i*o*syn"cra*sy\, n.; pl. Idiosyncrasies. [Gr. ?; 'i`dios proper, peculiar + ? a mixing together, fr. ? to mix together; ? with + ? to mix: cf. F. idiosyncrasie. See Idiom, and Crasis.] A peculiarity of physical or mental constitution or temperament; a characteristic belonging to, and distinguishing, an individual; characteristic susceptibility; idiocrasy; eccentricity. [1913 Webster] The individual mind . . . takes its tone from the idiosyncrasies of the body. --I. Taylor. Idiosyncratic
WordNet (r) 3.0 (2006):

idiosyncrasy n 1: a behavioral attribute that is distinctive and peculiar to an individual [syn: idiosyncrasy, foible, mannerism]
Moby Thesaurus II by Grady Ward, 1.0:

142 Moby Thesaurus words for "idiosyncrasy": aberration, abnormality, animus, anomaly, aptitude, aroma, attribute, badge, banner, bent, bias, brand, cachet, cast, character, characteristic, conceit, configuration, constitution, crackpotism, crank, crankiness, crankism, crotchet, crotchetiness, cut, deviancy, deviation, device, diathesis, differentia, differential, differentness, disposition, distinctive feature, divergence, dottiness, earmark, eccentricity, erraticism, erraticness, feature, figure, flavor, freakiness, freakishness, grain, gust, habit, hallmark, idiocrasy, image, impress, impression, inclination, index, indicant, indicator, individualism, insignia, irregularity, keynote, kidney, kink, leaning, lineaments, maggot, make, makeup, mannerism, mark, marking, measure, mental set, mettle, minauderie, mind, mind-set, mold, nature, nonconformity, note, oddity, odor, particularity, peculiar trait, peculiarity, picture, predilection, predisposition, preference, proclivity, propensity, property, quality, queerness, quip, quirk, quirkiness, representation, representative, savor, seal, set, shape, sigil, sign, signal, signature, singularity, slant, smack, specialty, stamp, strain, strangeness, streak, stripe, sure sign, symptom, taint, tang, taste, telltale sign, temper, temperament, tendency, token, trademark, trait, trick, trick of behavior, turn, turn of mind, twist, type, unconventionality, unnaturalness, warp, whim, whimsicality, whimsy