Another word for rash

rash
modif.
precipitate, impetuous, impulsive, foolish, hotheaded, thoughtless, reckless, headstrong, bold, careless, determined, audacious, heedless, madcap, unthinking, headlong, incautious, wild, precipitant, hasty, overhasty, unwary, injudicious, venturous, foolhardy, imprudent, venturesome, adventurous, daring, daredevil, jumping to conclusions, insuppressible, breakneck, irrational, fiery, furious, frenzied, passionate, immature, hurried, aimless, excited, feverish, indomitable, tenacious, frantic, indiscreet, quixotic, uncalculating, ill-advised, inadvisable, unconsidered, without thinking, unadvised, irresponsible, brash, precipitous, premature, sudden, burning one's fingers, harebrained, hotblooded, harum-scarum, game to the last, devil-may-care, rushing in where angels fear to tread.
Antonyms calm*, cautious, level-headed.
rash
n.
Another word for rash

Characterized by unthinking boldness and haste:
brash, foolhardy, harum-scarum, hasty, headlong, hotheaded, ill-considered, impetuous, improvident, impulsive, incautious, madcap, precipitant, precipitate, reckless, slapdash, temerarious, unconsidered. See careful