(n.) The quality or state of being hasty; haste; precipitation; rashness; quickness of temper.

abandon abruptness alacrity careless abandon carelessness casualness cursoriness desperateness devil-may-careness disregardfulness easiness expeditiousness fecklessness feverishness forgetfulness forwardness furiousness haste heedlessness hotheadedness hurriedness impatience impetuosity impetuousness improvidence impulse impulsiveness inconsiderateness inconsideration indifference insouciance lack of foresight lax stewardship laziness negligence oblivion offhandedness overeagerness overenthusiasm overhastiness overzealousness perfunctoriness poor husbandry precipitance precipitancy precipitateness precipitation precipitousness precociousness precocity prematureness prematurity promptness quickness rashness recklessness regardlessness rush shiftlessness speed sprezzatura suddenness swiftness tactlessness thoughtlessness thriftlessness unheedfulness unmindfulness unpreparedness unreadiness unsolicitousness unsolicitude unthinkingness untimeliness wantonness wildness