What is another word for flightiness?
Pronunciation: [flˈa͡ɪtɪnəs] (IPA) 
Flightiness refers to the quality of being fickle, capricious, and easily distracted. If you're looking for synonyms for this word, you might consider using terms like whimsy, impulsiveness, instability, fickleness or inconsistency. Other related words that could also apply in certain contexts include unpredictability, waywardness, or errancy. When trying to describe someone as flighty, you could also use phrases like "lacks focus", "easily swayed", or "tendency to jump from one thing to the next." Whether you're trying to describe a friend, a coworker, or your own personality traits, there's plenty of synonyms to use that can describe this sometimes frustrating quality.
