Synonyms for Thoughtless:

• adj.

  •absent-minded, unobservant (adjective)
  • dull,
  • stupid,
  • confused,
  • ill-considered,
  • undiscerning,
  • doltish,
  • loony,
  • remiss,
  • empty-headed,
  • witless,
  • obtuse,
  • inane,
  • mindless,
  • senseless,
  • vacuous,
  • inept,
  • silly,
  • foolish,
  • lamebrained,
  • unreasoning,
  • incomprehensible,
  • regardless,
  • puerile,
  • flighty,
  • bovine,
  • injudicious,
  • inadvertent.
  •aimless (adjective)
  • in-decisive,
  • most vagrant,
  • most objectless,
  • fits starts,
  • more directionless,
  • un-guided,
  • in discriminate,
  • un availing,
  • more drifting,
  • in decisive,
  • wayward,
  • more undirected,
  • more unguided,
  • un predictable,
  • most goalless,
  • un directed,
  • un guided,
  • more goalless,
  • un-directed,
  • more vagrant,
  • more bits-and-pieces,
  • un-predictable,
  • un-planned,
  • most bits-and-pieces,
  • un planned,
  • more objectless,
  • in-discriminate,
  • most unguided,
  • more bits and pieces,
  • most bits and pieces,
  • un-availing,
  • most directionless,
  • most undirected,
  • most drifting.
  •all (adjective)
  • uncaring,
  • thoughtless.
  •blind (adjective)
  • unconscious,
  • unperceiving,
  • uncomprehending,
  • nearsighted,
  • Imperceptive,
  • unperceptive,
  • purblind.
  •brainless (adjective)
  • most anencephalic,
  • most anencephalous,
  • more anencephalous,
  • more anencephalic.
  •brash (adjective)
  • up pity,
  • pre sumptuous,
  • in solent,
  • pre-sumptuous,
  • flip,
  • more self-asserting,
  • flippest,
  • more self asserting,
  • insolent,
  • most precipitate,
  • self asserting,
  • more selfasserting,
  • most self asserting,
  • in-solent,
  • most selfasserting,
  • in-discreet,
  • self-assertive,
  • in discreet,
  • selfassertive,
  • most self-asserting,
  • self assertive,
  • nervy,
  • selfasserting,
  • up-pity.
  •careless (adjective)
  • offhand,
  • in-accurate,
  • dis regardful,
  • more napping,
  • most napping,
  • un-reflective,
  • more uncircumspect,
  • most unreflective,
  • dis-regardful,
  • in-different,
  • un-guarded,
  • un-concerned,
  • napping,
  • unguarded,
  • more unreflective,
  • un heeding,
  • unheeding,
  • in different,
  • un concerned,
  • most pococurante,
  • un guarded,
  • un-heeding,
  • indolent,
  • un-circumspect,
  • more pococurante,
  • most uncircumspect,
  • un circumspect,
  • in accurate,
  • un reflective,
  • lax.
  •despicable (adjective)
  • shabby.
  •flighty (adjective)
  • more twit,
  • mercurial,
  • un-steady,
  • most bubbleheaded,
  • most dingdong,
  • un-stable,
  • un-stablest,
  • un steadiest,
  • in-constant,
  • un-steadiest,
  • most dingbat,
  • un stablest,
  • un-steadier,
  • more dingbat,
  • most twit,
  • most airheaded,
  • un-stabler,
  • more airheaded,
  • un steadier,
  • more bubbleheaded,
  • un stabler,
  • unsteady,
  • un-balanced,
  • un steady,
  • un stable,
  • empty headed,
  • unsteadiest,
  • in constant,
  • more dingdong.
  •giddy (adjective)
  • ditzy,
  • changeful.
  •harum-scarum (adjective)
  • scatty,
  • harumscarum,
  • light-minded.
  •hasty (adjective)
  • slambang,
  • chop-chop,
  • harefooted,
  • unpremeditated.
  •headlong (adjective)
  • headlong.
  •heedless (adjective)
  • most daydreaming,
  • more irreflective,
  • out to lunch,
  • un-warier,
  • un wariest,
  • fast loose,
  • most irreflective,
  • un wary,
  • asleep the switch,
  • un-caring,
  • asleep switch,
  • goofing off,
  • un-wary,
  • more daydreaming,
  • un caring,
  • un-wariest,
  • un warier,
  • out lunch.
  •hoity-toity (adjective)
  • more silliness,
  • most silliness,
  • hoitytoity,
  • hoity toity.
  •ill-advised (adjective)
  • off the top of head,
  • off the top of one's head,
  • overhasty,
  • halfbaked,
  • over hasty,
  • off top of head,
  • ill-judged.
  •ill-considered (adjective)
  • ill considered,
  • illconsidered.
  •improvident (adjective)
  • thriftless,
  • uneconomical.
  •imprudent (adjective)
  • more unadvisable,
  • un-advisable,
  • un advisable,
  • off the deep end,
  • most unadvisable.
  •inadvertent (adjective)
  • un devised,
  • un-intentional,
  • un thought,
  • un intentional,
  • unthought,
  • un-designed,
  • most unthought,
  • un-intended,
  • un witting,
  • more unthought,
  • un-witting,
  • un-thought,
  • in-advertent,
  • in advertent,
  • un premeditated,
  • un intended,
  • un designed,
  • un-premeditated,
  • not purpose,
  • un-devised.
  •inattentive (adjective)
  • distracted,
  • Disregardful,
  • wandering,
  • faraway,
  • disinterested,
  • befuddled,
  • unconcerned,
  • absent,
  • aloof,
  • unmindful,
  • Inobservant,
  • unnoticing,
  • Unobserving,
  • oblivious,
  • uninterested,
  • Ignoring,
  • unwatchful,
  • Absent-minded,
  • preoccupied,
  • dreamy,
  • detached.
  •incautious (adjective)
  • un vigilant,
  • sticking neck out,
  • more foot in mouth,
  • sticking one neck out,
  • devil may care,
  • most fast and loose,
  • more fast and loose,
  • more unvigilant,
  • foot in mouth,
  • most foot in mouth,
  • sticking one's neck out,
  • most fast-and-loose,
  • most foot-in-mouth,
  • more unalert,
  • most unvigilant,
  • more foot-in-mouth,
  • in-cautious,
  • more fast-and-loose,
  • un alert,
  • most unalert,
  • un-vigilant,
  • in cautious,
  • sticking ones neck out,
  • un-alert.
  •inconsiderate (adjective)
  • egocentric,
  • selfish,
  • rude,
  • indelicate,
  • discourteous,
  • asocial,
  • neglectful,
  • antisocial,
  • apathetic,
  • reckless,
  • unceremonious,
  • unrefined,
  • Hot-headed,
  • indifferent,
  • primitive,
  • sharp,
  • short,
  • self-centered,
  • indiscreet,
  • impolite,
  • boorish.
  •insouciant (adjective)
  • free easy,
  • insouciant,
  • un troubled,
  • happy go lucky,
  • un worried,
  • un-troubled,
  • most unworried,
  • un-worried,
  • more unworried.
  •irresponsible (adjective)
  • un accountable,
  • noaccount,
  • more unanswerable,
  • un-dependable,
  • un-accountable,
  • no account,
  • un answerable,
  • un-answerable,
  • most unanswerable,
  • un-careful,
  • more uncareful,
  • fly by night,
  • un-trustworthy,
  • most uncareful,
  • un dependable,
  • un-reliable,
  • un reliable,
  • un careful.
  •listless (adjective)
  • in-animate,
  • out it,
  • more mopish,
  • in animate,
  • un interested,
  • most mopish,
  • laidback,
  • more energyless,
  • un-interested,
  • most energyless.
  •loose (adjective)
  • high living,
  • swinging.
  •maladroit (adjective)
  • in-elegant,
  • in elegant.
  •mindless (adjective)
  • more mooning,
  • more brutish,
  • most nitwitted,
  • more nitwitted,
  • un intelligent,
  • un-intelligent,
  • most mooning,
  • spacedout,
  • most brutish.
  •neglectful (adjective)
  • clumsy,
  • slipshod,
  • behindhand,
  • forgetful,
  • hit-and-miss,
  • perfunctory,
  • bumbling,
  • shoddy,
  • haphazard,
  • sloppy,
  • slapdash,
  • senile,
  • slovenly,
  • derelict.
  •negligent (adjective)
  • un heedful,
  • most unheedful,
  • un-heedful,
  • in-curious,
  • in curious,
  • more discinct,
  • most discinct,
  • more unheedful.
  •rash (adjective)
  • brazen,
  • desperado,
  • unconsidered,
  • hectic,
  • jumping to conclusions,
  • breakneck,
  • impetuous,
  • foolhardy,
  • audacious,
  • precipitant,
  • hotheaded,
  • Insuppressible,
  • head-strong,
  • impulsive,
  • daring,
  • daredevil.
  •reckless (adjective)
  • frantic,
  • overventuresome,
  • wild,
  • nonchalant,
  • harum-scarum.
  •shabby (adjective)
  • dis-honorable,
  • more despisable,
  • most despisable,
  • most low-down,
  • un worthier,
  • un-worthier,
  • un worthy,
  • more lowdown,
  • low down,
  • scummiest,
  • most lowdown,
  • un-worthy,
  • most low down,
  • dis honorable,
  • un worthiest,
  • scummy,
  • dis graceful,
  • more low down,
  • un-worthiest,
  • more low-down,
  • in glorious,
  • in-glorious,
  • dis-graceful.
  •sharp (adjective)
  • double-edged.
  •short (adjective)
  • breviloquent,
  • shortest.
  •tactless (adjective)
  • more blundering,
  • more misunderstanding,
  • mis-understanding,
  • un-subtle,
  • un feeling,
  • most misunderstanding,
  • un considerate,
  • un-considerate,
  • un subtlest,
  • most blundering,
  • un subtler,
  • most unconsiderate,
  • un-subtlest,
  • un sympathetic,
  • more unconsiderate,
  • mis understanding,
  • un-subtler,
  • un subtle,
  • un polished.
  •thankless (adjective)
  • in appreciative,
  • most inappreciative,
  • more inappreciative,
  • ungrateful,
  • un-grateful,
  • un grateful,
  • in-appreciative.
  •thoughtless (adjective)
  • blank,
  • unthoughtful,
  • unoccupied,
  • illogical,
  • fatuous.
  •unadvised (adjective)
  • unwarned,
  • unadvised.
  •unappreciative (adjective)
  • un-appreciative,
  • un appreciative.
  •uncomprehending (adjective)
  • un-comprehending,
  • un comprehending.
  •unconsidered (adjective)
  • un-considered,
  • un considered.
  •ungracious (adjective)
  • dis respectful,
  • in hospitable,
  • dis-respectful,
  • un-couth,
  • un gracious,
  • un-pleasant,
  • un-mannerly,
  • un pleasant,
  • in-hospitable,
  • un couth,
  • un-gracious,
  • un mannerly.
  •unkind (adjective)
  • un-kind,
  • un kinder,
  • in human,
  • un kindest,
  • coldhearted,
  • more hard-hearted,
  • cold blooded,
  • more hard hearted,
  • inhumane,
  • most hard-hearted,
  • un-friendlier,
  • most hard hearted,
  • un friendlier,
  • in-humane,
  • un kind,
  • in-human,
  • coldblooded,
  • hard hearted,
  • un-friendly,
  • un friendliest,
  • un-kindest,
  • Hard-hearted,
  • un-friendliest,
  • un-kinder.
  •unmindful (adjective)
  • un-mindful,
  • un mindful.
  •unperceptive (adjective)
  • un-perceptive,
  • un perceptive.
  •unpolitic (adjective)
  • un-politic,
  • un politic.
  •unreasonable (adjective)
  • full hot air,
  • in congruous,
  • far fetched,
  • un reasonable,
  • in-consequential,
  • in valid,
  • in-congruous,
  • off wall,
  • un-reasoned,
  • in consistent,
  • more reasonless,
  • in-coherent,
  • un-reasonable,
  • most reasonless,
  • in consequential,
  • quirky,
  • un reasoned,
  • in-valid,
  • in-consistent.
  •untactful (adjective)
  • un-tactful,
  • un tactful.
  •unthankful (adjective)
  • un thankful,
  • un-thankful.
  •unthanking (adjective)
  • un-thanking,
  • un thanking.
  •unthinking (adjective)
  • un-thinking,
  • un-meant,
  • un thinking,
  • un meant.
  •unthrifty (adjective)
  • un thriftier,
  • un-thriftier,
  • un thrifty,
  • Unthrifty,
  • un-thrifty,
  • un-thriftiest,
  • un thriftiest.
  •vacant (adjective)
  • in expressive,
  • un-expressive,
  • most unexpressive,
  • un expressive,
  • in-expressive,
  • more unexpressive.

• n.

  •
  • courtesy.
  •deaf (noun)
  • deaf.

• Other synonyms:

  •
  • shameless,
  • impersonal,
  • heavy-handed.
  •
  • insensitive,
  • gaily.
  •
  • insensible.
  •abrupt
  • blunt.

Paraphrases for Thoughtless:

• Equivalence

  • Adjective
    reckless, mindless, unthinking.

• Independent

  • Adjective
    careless, irresponsible, blind, oblivious, short-sighted.

• Other Related

  • Adjective
    ill-considered, pretentious, indiscriminate, unconscious, conceited, foolhardy, foolish, rash, arty, misguided, stuck-up.

Antonyms for Thoughtless:

• adj.

  • absent-minded, unobservant
    cautious, careful, reasonable, intelligent, responsible, sensible, rational, wise, prudent.
  • all
    thoughtful.
  • inconsiderate
    attentive, kind, considerate, sophisticated, observant, Heeding, unselfish, refined, mannerly, mindful, thinking, polite.
  • Other antonyms:
    becoming, decent, dutiful, ready, deferential, felicitous, ceremonious, unassertive, decorous, meek, yielding, appropriate, correct, chivalrous, lost, acceptable, hospitable, elegant, seemly, graceful, sociable, humble, right, alert, proper, affable, courtly, submissive, fitting, wide-awake, respectable, befitting, cordial, fit, suitable, friendly, meet, gallant, respectful, on hand, prompt, modest, genial.