flightiness

Noun

flight=i=ness

WORDNET DICTIONARY

flightiness(n = noun.attribute) arbitrariness, capriciousness, whimsey, whimsicality, whimsy - the trait of acting unpredictably and more from whim or caprice than from reason or judgment; "I despair at the flightiness and whimsicality of my memory"

is a kind of irresponsibility, irresponsibleness

Derived form adjective flighty₁

flightiness, n.

The state or quality of being flighty. [1913 Webster]

"The flightness of her temper."

Syn. -- Levity; giddiness; volatility; lightness; wildness; eccentricity. See Levity.

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