| singularity(noun, irregularity, eccentricity, peculiarity, aberration) |
| strangeness(noun, irregularity, peculiarity, aberration, abnormality) |
| unconventionality(noun, irregularity, peculiarity, aberration, abnormality) |
| unorthodoxness(noun, irregularity, peculiarity, aberration, abnormality) |
| unusualness(noun, originality, eccentricity, peculiarity, nonconformity) |
| variability(noun, frivolity, lightness, unpredictability, flightiness) |
| volatility(noun, frivolity, lightness, unpredictability, flightiness) |
| waywardness(noun, irregularity, peculiarity, aberration, abnormality) |
| weirdness(noun, irregularity, peculiarity, aberration, abnormality) |
| whimsicality(noun, originality, irregularity, eccentricity, peculiarity) |
| arbitrariness |
| buffoonery |
| childishness(unpredictability, flightiness, randomness) |
| coquetting(unpredictability, flightiness, randomness) |
| dallying(unpredictability, flightiness, randomness) |
| facetiousness |
| fickleness(noun, frivolity, lightness, flightiness, irresponsibility) |
| flirting(unpredictability, flightiness, randomness) |
| flummery(unpredictability, flightiness, randomness) |
| folly(unpredictability, flightiness, randomness) |