heedless

heedless adjective blind, careless, deaf, disregardful, hasty, improvident, imprudent, impulsive, inattentive, incautus, insouciant, irresponsible, mindless, neglectful, neglegens, negligent, nonobservant, oblivious, off guard, precipitate, rash, reckless, temerarius, unaware, uncaring, unconcerned, undiscerning, unheedful, unheeding, unmindful, unnoticing, unobservant, unperceiving, unseeing, unsolicitous, unwary, unwatchful, without consideration
Associated concepts: recklessness

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See also: blind, careless, cursory, derelict, hot-blooded, ill-judged, impolitic, improvident, imprudent, impulsive, inadvertent, incognizant, injudicious, insensible, intractable, irrational, lawless, lax, negligent, oblivious, passive, perfunctory, prodigal, reckless, relentless, remiss, slipshod, thoughtless, unaware, unpolitic, wanton