Flight'i·ness noun The state or quality of being flighty. « The flightness of her temper.» Hawthorne. Syn. -- Levity; giddiness; volatility; lightness; wildness; eccentricity. See Levity . Found on http://www.encyclo.co.uk/webster/F/43
arbitrarinessnoun 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` Found on https://www.encyclo.co.uk/local/20974