THESAURUS
heedless
Lethean, absentminded, airy, aloof, amnestic, apathetic, arbitrary, ataractic, blase, blind, blocked, bored, capricious, careless, casual, converted, cursory, deaf, degage, detached, devil-may-care, disinterested, dispassionate, disregardant, disregardful, distant, distracted, distrait, easygoing, feckless, flippant, forgetful, forgetting, free and easy, grasshopper, happy-go-lucky, impassive, improvident, inadvertent, inattentive, inclined to forget, inconsiderate, incurious, indifferent, inexcitable, inobservant, insouciant, lackadaisical, lazy, listless, mindless, neglectful, negligent, nonchalant, oblivious, offhand, perfunctory, phlegmatic, pococurante, reasonless, reckless, regardless, repressed, respectless, shiftless, stolid, suppressed, tactless, thoughtless, thriftless, turned-off, unaccommodating, unanxious, uncalculating, uncaring, uncomplaisant, unconcerned, uncooperative, undiplomatic, undiscriminating, uneconomical, unguarded, unheedful, unheeding, unhelpful, uninquiring, uninterested, uninvolved, unmarking, unmindful, unnoticing, unnoting, unobliging, unobservant, unobserving, unprepared, unproviding, unready, unreasoning, unreflecting, unreflective, unremarking, unsolicitous, untactful, unthinking, unthoughtful, unthrifty, withdrawn, wrecking
ROGET THESAURUS
heedless
Rashness
N
rashness, temerity, want of caution, imprudence, indiscretion, overconfidence, presumption, audacity, precipitancy, precipitation, impetuosity, levity, foolhardihood, foolhardiness, heedlessness, thoughtlessness, carelessness, desperation, Quixotism, knight-errantry, fire eating, gaming, gambling, blind bargain, leap in the dark, leap of faith, fool's paradise, too many eggs in one basket, desperado, rashling, madcap, daredevil, Hotspur, fire eater, bully, bravo, Hector, scapegrace, enfant perdu, Don Quixote, knight-errant, Icarus, adventurer, gambler, gamester, dynamitard, boomer, rash, incautious, indiscreet, imprudent, improvident, temerarious, uncalculating,
heedless, careless, without ballast, heels over head, head over heels, giddy, wanton, reckless, wild, madcap, desperate, devil-may-care, hot-blooded, hotheaded, hotbrained, headlong, headstrong, breakneck, foolhardy, harebrained, precipitate, impulsive, overconfident, overweening, venturesome, venturous, adventurous, Quixotic, fire eating, cavalier, janty, jaunty, free and easy, off one's guard, post haste, a corps perdu, hand over head, tete baissee, headforemost, happen what may, come what may, neck or nothing, the devil being in one, non semper temeritas est felix, paucis temeritas est bono multis malo.
Inattention
N
inattention, inconsideration, inconsiderateness, oversight, inadvertence, inadvertency, nonobservance, disregard, supineness, etourderie, want of thought, heedlessness, insouciance, abstraction, absence of mind, absorption of mind, preoccupation, distraction, reverie, brown study, deep musing, fit of abstraction, inattentive, unobservant, unmindful,
heedless, unthinking, unheeding, undiscerning, inadvertent, mindless, regardless, respectless, listless, blind, deaf, bird-witted, hand over head, cursory, percursory, giddy-brained, scatter-brained, hare-brained, unreflective, unreflecting, ecervele, offhand, dizzy, muzzy, brainsick, giddy, giddy as a goose, wild, harum-scarum, rantipole, highflying,
heedless, careless, inconsiderate, thoughtless, absent, abstracted, distrait, absentminded, lost, lost in thought, wrapped in thought, rapt, in the clouds, bemused, dreaming on other things, musing on other things, preoccupied, engrossed, daydreaming, in a reverie, off one's guard, napping, dreamy, caught napping, disconcerted, distracted, put out, inattentively, inadvertently, absent-mindedly, per incuriam, sub silentio, Int, stand at ease, stand easy!, the attention wanders, one's wits gone a woolgathering, one's wits gone a bird's nesting, it never entered into one's head, the mind running on other things, one's thoughts being elsewhere, had it been a bear it would have bitten you,
inattention, inconsideration, inconsiderateness, oversight, inadvertence, inadvertency, nonobservance, disregard, supineness, etourderie, want of thought, heedlessness, insouciance, abstraction, absence of mind, absorption of mind, preoccupation, distraction, reverie, brown study, deep musing, fit of abstraction, inattentive, unobservant, unmindful,
heedless, unthinking, unheeding, undiscerning, inadvertent, mindless, regardless, respectless, listless, blind, deaf, bird-witted, hand over head, cursory, percursory, giddy-brained, scatter-brained, hare-brained, unreflective, unreflecting, ecervele, offhand, dizzy, muzzy, brainsick, giddy, giddy as a goose, wild, harum-scarum, rantipole, highflying,
heedless, careless, inconsiderate, thoughtless, absent, abstracted, distrait, absentminded, lost, lost in thought, wrapped in thought, rapt, in the clouds, bemused, dreaming on other things, musing on other things, preoccupied, engrossed, daydreaming, in a reverie, off one's guard, napping, dreamy, caught napping, disconcerted, distracted, put out, inattentively, inadvertently, absent-mindedly, per incuriam, sub silentio, Int, stand at ease, stand easy!, the attention wanders, one's wits gone a woolgathering, one's wits gone a bird's nesting, it never entered into one's head, the mind running on other things, one's thoughts being elsewhere, had it been a bear it would have bitten you.
Neglect
N
neglect, carelessness, trifling, negligence, omission, oversight, laches, default, supineness, inattention, nonchalance, imprudence, recklessness, slovenliness improvidence, noncompletion, inexactness, paralipsis, paralepsis, paraleipsis (in rhetoric), trifler, waiter on Providence, Micawber, neglecting, unmindful, negligent, neglectful,
heedless, careless, thoughtless, perfunctory, remiss, feebleness, inconsiderate, uncircumspect, incircumspect, off one's guard, unwary, unwatchful, unguarded, offhand, supine, inattentive, insouciant, imprudent, reckless, slovenly inexact, improvident, neglected, unheeded, uncared-for, unperceived, unseen, unobserved, unnoticed, unnoted, unmarked, unattended to, unthought of, unregarded, unremarked, unmissed, shunted, shelved, unexamined, unstudied, unsearched, unscanned, unweighed, unsifted, unexplored, abandoned, buried in a napkin, hid under a bushel, negligently, hand over head, anyhow, in an unguarded moment, per incuriam, Int, never mind, no matter, let it pass, out of sight, out of mind.
Oblivion
N
oblivion, obliviousness, lethe, forgetfulness, amnesia, obliteration of &c, insensibility to the past, short memory, treacherous memory, poor memory, loose memory, slippery memory, failing memory, decay of memory, failure of memory, lapse of memory, waters of Lethe, waters of oblivion, amnesty, general pardon, repressed memory, forgotten, unremembered, past recollection, bygone, out of mind, buried in oblivion, sunk in oblivion, clean forgotten, gone out of one's head, gone out of one's recollection, forgetful, oblivious, mindless, Lethean, insensible to the past,
heedless, non mi ricordo, the memory failing, the memory deserting one, being at fault, being in fault, To the Future.