precipitancy, hardihood, presumption, careful, mindlessness, venturesomeness, inanity, vacuity, hurriedness, inadvertency, inadvertence, precipitation, precipitateness, pointlessness, rush, temerity, precipitance, temerariousness, inattentiveness, over-confidence, senselessness, unmindfulness
excitability (part of speech: noun)
hot-temperedness, volatility, recklessness, nervousness, storminess, emotionality, ardency, passion, excitableness, brittleness, quick-temperedness, crankiness, explosiveness, combustibility, short-temperedness, tempestuousness, touchiness, edginess, sensitivity, irritability, fragility
rashness (part of speech: noun)
recklessness (part of speech: noun)
impulsiveness (part of speech: noun)
- Some believed that his rider had repented of his rashness, and was about to deliver himself up to the guard, from whom he had escaped. - "The White Gauntlet", Mayne Reid.
- Owen had remembered continually what his friend had frequently overlooked, that there was yet a possibility of his sister being Manston's wife, and the recollection taught him to avoid any rashness in his proceedings which might lead to bitterness hereafter. - "Desperate Remedies", Thomas Hardy.
- Every one drew back at the thoughts of it, pronouncing it the height of rashness. - "The Life and Voyages of Christopher Columbus (Vol. II)", Washington Irving.