IPA: /ˈfɪk.əl.nəs/
KK: /ˈfɪk.əl.nəs/
The quality of changing frequently, especially in feelings or opinions.
Her fickleness made it hard for her friends to trust her decisions.
Fickleness → It is formed from "fickle" (from Middle English *fikel*, meaning changeable or unstable) and the suffix "-ness" (meaning the state or quality of). The word "fickleness" refers to the state of being changeable or unstable in one's affections or loyalties.
Think of someone who is 'changeable' ('fickle') in their feelings, and the '-ness' shows that it describes a state. This helps you remember that fickleness means the quality of being changeable.