un conventionality (noun) eccentricity: bizarreness, unusualness
Sinonime: aberration, abnormality,
anomaly,
caprice, capriciousness, foible, freakishness, hereticism, idiocrasy,
idiosyncrasy, irregularity, kink, nonconformity, oddity, oddness, outlandishness, peculiarity, queerness,
quirk, singularity, strangeness, unconventionality, unorthodoxness, waywardness, weirdness, whimsicality, whimsicalness
Antonime: commonality, dullness, normality, regularness,
standard, uniformity,
usual, usualness