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reckless - 20 thesaurus results
| Main Entry: | reckless |
| Part of Speech: | adjective |
| Definition: | irresponsible in thought, deed |
| Synonyms: | adventurous, any which way, audacious, brash, breakneck, carefree, careless, daredevil, daring, desperate, devil-may-care*, fast and loose, feckless, foolhardy, harebrained, hasty, headlong, heedless, helter-skelter, hopeless, hotheaded*, ill-advised, imprudent, inattentive, incautious, inconsiderate, indiscreet, madcap, mindless, negligent, precipitate, rash, regardless, temerarious, thoughtless, venturesome, wild, adventuresome, kooky, overventuresome, playing with fire, uncareful, venturous |
| Notes: | feckless means ineffective or having no real worth or purpose; reckless means marked by unthinking boldness or with defiant disregard for danger or consequences rash (the adjective) suggests imprudence and lack of forethought; reckless implies disregard of possible consequences |
| Antonyms: | careful, cautious, responsible, wary |
* = informal/non-formal usage
| Main Entry: | adventurous |
| Part of Speech: | adjective |
| Definition: | daring, risk-taking |
| Synonyms: | audacious, bold, brave, courageous, dangerous, daredevil, enterprising, foolhardy, hazardous, headstrong, intrepid, rash, reckless, risky, temerarious, venturesome, adventuresome, venturous |
| Antonyms: | careful, cautious, prudent, unadventurous |
| Main Entry: | brash |
| Part of Speech: | adjective |
| Definition: | impulsive, brazen |
| Synonyms: | audacious, bold, cheeky*, cocksure, cocky*, effervescent, flip, foolhardy, forward, hasty, headlong, heedless, hotheaded, ill-advised, impertinent, impetuous, impolitic, impudent, incautious, inconsiderate, indiscreet, insolent, madcap, maladroit, nervy, precipitate, presuming, presumptuous, pushing, rash, reckless, rude, self-assertive, tactless, thoughtless, uppity, vivacious, brazenfaced, self-asserting, undiplomatic, untactful |
| Antonyms: | afraid, careful, cautious, discreet, fearful, reserved |
* = informal/non-formal usage
| Main Entry: | brave |
| Part of Speech: | adjective |
| Definition: | bold |
| Synonyms: | adventurous, audacious, chivalrous, confident, courageous, daring, dashing, dauntless, defiant, doughty, fearless, firm, foolhardy, forward, gallant, game, gritty, gutsy, hardy, heroic, imprudent, indomitable, intrepid, lionhearted, militant, nervy, plucky, reckless, resolute, spirited, spunky, stalwart, stout, stouthearted, strong, unafraid, undaunted, valiant, valorous, venturesome, chin-up, herolike, unabashed, unblenching, undauntable, undismayed, unfearful |
| Antonyms: | afraid, cautious, fearful, frightened, humble, meek, reticent, retiring, shy, timid |
| Main Entry: | breakneck |
| Part of Speech: | adjective |
| Definition: | extremely fast |
| Synonyms: | excessive, flat out, headlong, lightning, precipitate, rapid, reckless, speedy, whirlwind, at full tilt, dangerously fast, high-speed |
| Antonyms: | extremely slow |
| Main Entry: | daring |
| Part of Speech: | adjective |
| Definition: | adventurous |
| Synonyms: | audacious, bold, brassy*, brave, cheeky, cocky, courageous, crusty, fearless, foolhardy, forward, game, gritty, gutsy*, impudent, impulsive, intrepid, nervy, obtrusive, out on a limb*, plucky, rash, reckless, salty*, smart, spunky*, temerarious, valiant, venturesome, adventuresome, fire eating, go for broke, gutty, hot shot, smart-alecky |
| Antonyms: | afraid, bashful, chicken, cowardly, fearful, meek, shy, timid, unwilling, unadventurous |
* = informal/non-formal usage
| Main Entry: | defiant |
| Part of Speech: | adjective |
| Definition: | disobedient, disregardful |
| Synonyms: | aggressive, audacious, bold, contumacious, daring, gutsy*, insolent, insubordinate, mutinous, obstinate, provocative, rebellious, recalcitrant, reckless, refractory, resistant, sassy*, truculent, challenging, insubmissive, resistive |
| Antonyms: | obedient, respectful, submissive, acquiescent, submitting, subordinating |
* = informal/non-formal usage
| Main Entry: | excitable |
| Part of Speech: | adjective |
| Definition: | easily upset or inspired |
| Synonyms: | demonstrative, edgy, emotional, enthusiastic, fidgety, fierce, fiery, hasty, high-strung, hot-tempered, hysterical, impatient, impetuous, impulsive, inflammable, intolerant, irascible, mercurial, moody, nervous, neurotic, passionate, peevish, quick, quick-tempered, rash, reckless, restless, sensitive, skittish, susceptible, temperamental, testy, touchy, uncontrolled, uneasy, vehement, violent, volatile, agitable, alarmable, galvanic, hot-headed, overzealous, short fused, volcanic |
| Antonyms: | calm, easy, insensitive, laid-back, passive, uninspired, easy-going, unexcitable |
| Main Entry: | extravagant |
| Part of Speech: | adjective |
| Definition: | indulgent, wasteful |
| Synonyms: | absurd, bizarre, costly, crazy, exaggerated, excessive, exorbitant, expensive, extortionate, extreme, fanciful, fancy, fantastic, flamboyant, flashy, foolish, garish, gaudy, grandiose, immoderate, implausible, improvident, imprudent, inordinate, lavish, ludicrous, nonsensical, ornate, ostentatious, outrageous, preposterous, pretentious, prodigal, profligate, reckless, ridiculous, showy, silly, spendthrift, steep, unbalanced, unconscionable, unreasonable, unrestrained, overpriced |
| Antonyms: | close, economical, moderate, provident, reasonable, saving, stingy, thrifty, unpretentious |
| Main Entry: | feckless |
| Part of Speech: | adjective |
| Definition: | without purpose |
| Synonyms: | aimless, carefree, careless, feeble, fustian, futile, good-for-nothing*, hopeless, incautious, incompetent, ineffective, ineffectual, irresponsible, meaningless, reckless, shiftless, useless, weak, wild, worthless, uncareful |
| Antonyms: | competent, effective, effectual, efficient, purposeful, responsible, strong, useful |
* = informal/non-formal usage
| Main Entry: | foolhardy |
| Part of Speech: | adjective |
| Definition: | impetuous, rash |
| Synonyms: | adventurous, audacious, bold, breakneck*, daredevil, daring, devil-may-care*, harebrained*, headstrong, imprudent, incautious, irresponsible, madcap, precipitate, reckless, temerarious, venturesome, adventuresome, off deep end, out on limb, venturous, wide open |
| Antonyms: | careful, cautious, discreet, thoughtful |
* = informal/non-formal usage
| Main Entry: | giddy |
| Part of Speech: | adjective |
| Definition: | silly, impulsive |
| Synonyms: | brainless, capricious, careless, changeable, dizzy, empty-headed*, erratic, fickle, flighty*, frivolous, heedless, inconstant, irresolute, irresponsible, lightheaded*, punchy*, reckless, scatterbrained*, skittish*, slaphappy*, swimming*, thoughtless, unbalanced, unsettled, unstable, unsteady, vacillating, volatile, whimsical, whirling, wild, woozy*, bemused, bubbleheaded, changeful, ditzy, flustered, gaga, reeling |
| Antonyms: | calm, careful, level-headed, sensible, serious |
* = informal/non-formal usage
| Main Entry: | haphazard |
| Part of Speech: | adjective |
| Definition: | without plan or organization |
| Synonyms: | accidental, aimless, any which way, arbitrary, careless, casual, chance, desultory, devil-may-care*, disorderly, disorganized, erratic, fluke, helter-skelter*, hit-or-miss*, incidental, indiscriminate, irregular, loose, offhand, purposeless, random, reckless, slapdash, slipshod, spontaneous, sudden, unconcerned, unconscious, uncoordinated, unexpected, unorganized, unpremeditated, unthinking, willy-nilly*, all over the map, any old way, designless, unconsidered, unmethodical, unsystematic |
| Antonyms: | careful, intentional, methodical, organized, planned, straight, systematic, designed, thought-out |
* = informal/non-formal usage
| Main Entry: | happy-go-lucky |
| Part of Speech: | adjective |
| Definition: | blithely unconcerned |
| Synonyms: | blithe, carefree, casual, cheerful, content, cool, devil-may-care*, easy, easygoing, feckless, free and easy, heedless, improvident, insouciant, irresponsible, lackadaisical*, lighthearted, nonchalant, reckless, unconcerned, untroubled, carefree and untroubled, free-minded, living the life of Riley, without care |
| Antonyms: | disconsolate, discontented, dissatisfied, distressed, troubled, upset, worried |
* = informal/non-formal usage
| Main Entry: | harebrained |
| Part of Speech: | adjective |
| Definition: | stupid, unthinking |
| Synonyms: | absurd, asinine, barmy, bizarre, careless, changeable, crazy, dizzy*, empty-headed*, featherbrained*, flighty, foolish, frivolous, giddy, half-baked*, heedless, inane, irresponsible, loony*, mindless, preposterous, rash, reckless, scatterbrained*, unstable, unsteady, wacky*, wild, rattlebrained |
| Antonyms: | brainy, intelligent, reasonable, sensible, smart, thoughtful |
* = informal/non-formal usage
| Main Entry: | hasty |
| Part of Speech: | adjective |
| Definition: | speedy; without much thought |
| Synonyms: | abrupt, agile, brash, breakneck*, brief, brisk, careless, cursory, eager, expeditious, fast, fiery, fleet, fleeting, foolhardy, headlong, heedless, hurried, ill-advised, impatient, impetuous, impulsive, incautious, inconsiderate, madcap*, on the double*, passing, perfunctory, precipitate, prompt, pronto*, quick, quickie, rapid, rash, reckless, rushed, short, slapdash*, snappy*, sudden, superficial, swift, thoughtless, urgent, PDQ, chop-chop*, harefooted, quickened, slambang |
| Antonyms: | delayed, lazy, slow, lingering, loitering |
* = informal/non-formal usage
| Main Entry: | headstrong |
| Part of Speech: | adjective |
| Definition: | stubborn |
| Synonyms: | bullheaded*, contrary, determined, foolhardy, froward, hard-core*, hard-nosed, heedless, imprudent, impulsive, intractable, mulish, murder, obstinate, perverse, pig-headed*, rash, reckless, refractory, uncontrollable, ungovernable, unruly, unyielding, willful, hard-shell, locked-in, mule, self-willed, strong-minded |
| Antonyms: | calm, docile, moderate, obedient, submissive, tolerant |
* = informal/non-formal usage
| Main Entry: | heedless |
| Part of Speech: | adjective |
| Definition: | careless |
| Synonyms: | daydreaming, fast and loose, feckless, foolhardy, impetuous, imprudent, inadvertent, inattentive, incautious, inconsiderate, neglectful, negligent, oblivious, precipitate, rash, reckless, slapdash*, sloppy, thoughtless, uncaring, unmindful, unobservant, unthinking, unwary, asleep at the switch, disregardful, goofing off, irreflective, out to lunch |
| Antonyms: | attentive, careful, cautious, concerned, heedful, observant, thoughtful, caring |
* = informal/non-formal usage
| Main Entry: | ill-advised |
| Part of Speech: | adjective |
| Definition: | unwise, not thought out |
| Synonyms: | brash, confused, foolhardy, foolish, half-baked*, hotheaded*, ill-considered, ill-judged, impolitic, imprudent, inappropriate, incautious, inconsiderate, indiscreet, inexpedient, injudicious, madcap*, misguided, off the top of one's head, overhasty, rash, reckless, short-sighted*, thoughtless, unseemly, wrong |
| Antonyms: | reasonable, sensible, well-advised, wise |
* = informal/non-formal usage
| Main Entry: | improvident |
| Part of Speech: | adjective |
| Definition: | careless, spendthrift |
| Synonyms: | extravagant, heedless, imprudent, inconsiderate, lavish, negligent, prodigal, profligate, profuse, reckless, shiftless, shortsighted, thoughtless, wasteful, thriftless, uneconomical, unthrifty |
| Antonyms: | careful, miserly, provident, thrifty |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009, Dictionary.com, LLC. All rights reserved.