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Use "flightiness" in a sentence
"Right mindfulness serves as an antidote to rid the mind forever of the auxiliary disturbing emotions and attitudes (nye-nyon), such as flightiness of mind and mental dullness, that an accustoming pathway mind gets rid of, namely the automatically arising ones."
"She is also charmingly open about her faults, such as her quick temper and flightiness: I always expect people to behave much better than I do."
"For all her flightiness, there was seemingly nothing she could not get done by sleight of hand or obtain, if occasionally at shocking black-market prices."