1. (n.) The quality or state of being singular; some character or quality of a thing by which it is distinguished from all, or from most, others; peculiarity.

2. (n.) Anything singular, rare, or curious.

3. (n.) Possession of a particular or exclusive privilege, prerogative, or distinction.

4. (n.) Celibacy.

aberration abnormality absurdity anomaly anticness aroma attribute badge bizarreness bizarrerie black hole brand cachet cast character characteristic combination conceit configuration crackpotism crank crankiness crankism crotchet crotchetiness curiousness cut deformity deviancy deviation differentia differential differentiation differentness distinctive feature distinctiveness divergence dottiness earmark eccentricity egohood erraticism erraticness fantasticality feature figure flavor freakiness freakishness fusion grotesqueness grotesquerie gust hallmark human factor identity idiocrasy idiosyncrasy impress impression index individualism individuality indivisibility intactness integrality integration integrity inviolability irreducibility irregularity keynote kink lineaments maggot malformation mannerism mark marking mold monstrosity monstrousness nature nominalism nonconformity oddity oddness odor oneness organic unity outlandishness particularism particularity peculiarity personal equation personal identity personality personship property purity quaintness quality queerness quip quirk quirkiness savor seal self-identity selfhood selfness selfsameness shape simplicity singleness smack solidarity solidification solidity soul specialty stamp strangeness taint tang taste teratism token trait trick twist uncommonness unconventionality undividedness unification uniformity uniqueness unity univocity unnaturalness weirdness whim whimsicality whimsy wholeness