moodiness (n.)
- arbitrariness
- caprice
- capriciousness
- crankiness
- crotchetiness
- dejection
- eccentricity
- fickleness
- flightiness
- freakishness
- glumness
- grimness
- impulsiveness
- inconsistency
- inconstancy
- instability
- irregularity
- melancholy
- moroseness
- petulance
- quirkiness
- restlessness
- shiftiness
- sulkiness
- sullenness
- surliness
- uncertainty
- undependability
- unpredictability
- unreliability
- unstableness
- unsteadiness
- variability
- variation
- variety
- wantonness
- whimsicality
- whimsy
