1. 反复无常：inconspicuous难以察觉的 | inconstancy反复无常 | incontinence失禁
2. 易变性;不规则：inconsonance 不协调 | inconstancy 易变性;不规则 | inconstant fold 不稳定褶皱
3. 缺乏恒心：On the other hand=在另一方面; | inconstancy=缺乏恒心; | result in=导致;
4. 无节操：inconspicuousunambitious 不显眼的 | inconstancy 无节操 | inconstancyindeterminatenessineeterminacy 不定性
noun
1. the quality of being changeable and variable
Synonym: changefulness
2. unfaithfulness by virtue of being unreliable or treacherous
Synonym: faithlessnessfalsenessfickleness