Definition for Foolish:

• Weak in intellect; wanting discretion; ridiculous; marked with folly; deserving ridicule; ( B.) sinful, disregarding God's laws.

Synonyms for Foolish:

• adj.

  •absurd (adjective)
  • implausible,
  • screwy,
  • outlandish,
  • farcical,
  • inane,
  • ludicrous,
  • stupid,
  • crazy,
  • absurd,
  • meaningless,
  • illogical,
  • invalid,
  • incongruous,
  • anachronistic,
  • irrational,
  • eccentric,
  • nonsensical,
  • loony,
  • idiotic,
  • silly,
  • senseless,
  • ridiculous,
  • flaky,
  • contradictory,
  • impossible,
  • preposterous,
  • bizarre,
  • self-contradictory,
  • paradoxical,
  • laughable,
  • inconsistent,
  • fallacious.
  •balmy (adjective)
  • potty.
  •daft (adjective)
  • witless.
  •deranged (adjective)
  • nutty.
  •dizzy (adjective)
  • Feather-brained.
  •doting (adjective)
  • doting.
  •foolish (adjective)
  • goofy,
  • blockheaded,
  • bone-headed,
  • lame-brained,
  • meat-headed,
  • dotty,
  • half-witted,
  • absurd,
  • doltish,
  • blithering,
  • loony,
  • brainless,
  • chuckle-headed,
  • knuckle-headed,
  • crackpot,
  • asinine,
  • crazy,
  • dopey,
  • moronic,
  • cretinous,
  • dim-witted,
  • imbecilic,
  • dumb,
  • jackass,
  • ignorant,
  • nonsensical,
  • idiotic,
  • nitwit,
  • inane.
  •harebrained (adjective)
  • rattlebrained.
  •idealistic (adjective)
  • quixotic.
  •ignorant (adjective)
  • simple,
  • illiterate,
  • empty-headed,
  • unintelligent,
  • mindless,
  • unlearned,
  • uneducated,
  • uninformed,
  • brainless,
  • ignorant.
  •ill-advised (adjective)
  • ill-judged.
  •insane (adjective)
  • balmy.
  •misguided (adjective)
  • unwarranted.
  •nonsensical, idiotic (adjective)
  • imprudent,
  • nutty,
  • weak,
  • fatuous,
  • loony,
  • short-sighted,
  • fantastic,
  • unintelligent,
  • stupid,
  • nerdy,
  • unwise,
  • half-witted,
  • ill-considered,
  • witless,
  • dotty,
  • imbecilic,
  • Daffy,
  • irrational,
  • moronic,
  • harebrained,
  • brainless,
  • half-baked,
  • jerky,
  • asinine,
  • dippy,
  • preposterous,
  • crazy,
  • silly,
  • lunatic,
  • injudicious,
  • mad,
  • wacky,
  • simple,
  • ludicrous,
  • kooky,
  • cockamamy,
  • incautious,
  • daft,
  • zany,
  • insane,
  • ill-advised,
  • doltish,
  • absurd,
  • senseless,
  • ridiculous,
  • indiscreet,
  • unreasonable,
  • feebleminded.
  •reckless (adjective)
  • Sophomoric.
  •ridiculous (adjective)
  • poppycock,
  • absurd,
  • incredible,
  • oddball,
  • bizarre,
  • curious,
  • ridiculous,
  • nonsensical,
  • ludicrous,
  • laughable,
  • crazy,
  • foolheaded,
  • weird,
  • dubious,
  • grotesque,
  • silly,
  • preposterous,
  • eccentric,
  • comical,
  • farcical,
  • outlandish,
  • outrageous.
  •senseless (adjective)
  • asinine,
  • half-baked,
  • unmeaning.
  •shallow (adjective)
  • shallow,
  • frothy.
  •simple (adjective)
  • Soft-headed,
  • softheaded.
  •thoughtless (adjective)
  • unreflective,
  • undiscerning.
  •unintellectual (adjective)
  • cretinous,
  • half-wit,
  • defective,
  • unintellectual,
  • imbecilic,
  • moronic,
  • idiotic,
  • unintelligent.
  •wacky (adjective)
  • hare-brained.
  •zany (adjective)
  • zany.

• n.

  •
  • embarrassed,
  • ashamed,
  • abashed,
  • contrite,
  • repentant,
  • sorry,
  • guilty,
  • uncomfortable.
  •
  • undiscriminating,
  • impulsive,
  • unthinking,
  • Weak-minded,
  • hasty,
  • impetuous,
  • ability,
  • insensate,
  • shallow,
  • planned,
  • witless,
  • irresponsible.
  •
  • knowledge,
  • balmy,
  • loopy,
  • softheaded,
  • tomfool,
  • cockeyed,
  • unearthly,
  • dippy,
  • lunatic.
  •foolish (noun)
  • goosy,
  • silly,
  • cockamamie,
  • fatuous,
  • anserine,
  • rattlepated,
  • dopey,
  • ridiculous,
  • fond,
  • harebrained,
  • preposterous,
  • cockamamy,
  • dopy,
  • wacky,
  • goosey,
  • fool,
  • misguided,
  • whacky,
  • mad,
  • vacuous,
  • absurd,
  • unwise,
  • asinine,
  • scatty,
  • unreasonable,
  • sappy,
  • goofy,
  • ill-conceived,
  • insane,
  • rattlebrained,
  • mindless,
  • inane,
  • nonsensical,
  • scatterbrained,
  • zany,
  • derisory,
  • ludicrous,
  • gooselike,
  • laughable.

• Other synonyms:

  •
  • incautious,
  • bumbling,
  • contrite,
  • impolitic,
  • loopy,
  • abashed,
  • conscience-stricken,
  • improvident,
  • repentant,
  • myopic,
  • unconsidered,
  • witless,
  • sorry,
  • rudderless,
  • thoughtless,
  • undiscriminating,
  • embarrassed,
  • guilty,
  • uncomfortable,
  • dippy,
  • softheaded,
  • sheepish,
  • blithe,
  • merrily,
  • reckless,
  • ashamed,
  • mortified,
  • tongue-tied,
  • indiscriminate,
  • unthinking,
  • unwary,
  • indiscreet,
  • guilt-ridden,
  • blithely,
  • short-sighted,
  • doting.
  •
  • impetuous,
  • childish,
  • impulsive,
  • shallow,
  • tasteless,
  • cockeyed,
  • unwitting,
  • Weak-minded,
  • irresponsible.
  •
  • lunatic,
  • automatically,
  • vacant.
  •
  • unearthly,
  • lightly.
  •crazy
  • balmy.
  •frivolous
  • madcap.
  •imprudent
  • injudicious.
  •infatuated
  • moonstruck.
  •laughable
  • rich.
  •precipitate
  • rash.
  •retarded
  • Feeble-minded.
  •silly
  • frivolous,
  • daft.
  •stupid
  • insensate.
  •Other relevant words:
  • pointless,
  • neglectful,
  • ill-considered,
  • inadvertent,
  • arbitrary,
  • helpless,
  • gullible,
  • enfeebled,
  • hasty,
  • apish,
  • incautious,
  • arrhythmic,
  • obtuse,
  • tongue-tied,
  • pettifogging,
  • strange,
  • devilish,
  • play second fiddle,
  • foolhardy,
  • bonkers,
  • fruity,
  • puerile,
  • insane,
  • gormless,
  • potty,
  • tremendous,
  • arch,
  • light,
  • unconformable,
  • accessible,
  • Numskulled,
  • fool,
  • blind,
  • blank,
  • look blue,
  • petty,
  • vapid,
  • humble,
  • flighty,
  • credulous,
  • misguided,
  • blithe,
  • catchpenny,
  • unskillful,
  • whacky,
  • chimerical,
  • cockamamie,
  • stolid,
  • impractical,
  • timorous,
  • Dull-witted,
  • purposeless,
  • impetuous,
  • namby-pamby,
  • slaphappy,
  • imbalanced,
  • sentimental,
  • indelicate,
  • ill-judged,
  • Twaddling,
  • dizzy,
  • freakish,
  • rattlepated,
  • unperceiving,
  • featherheaded,
  • numbskulled,
  • unwary,
  • thoughtless,
  • ill timed,
  • improper,
  • irresponsible,
  • incoherent,
  • inept,
  • unperceptive,
  • simple-minded,
  • maggoty,
  • non compos mentis,
  • unwarranted,
  • unworkable,
  • beyond belief,
  • not sensible,
  • unadvised,
  • dazed,
  • particular,
  • short-sighted,
  • boneheaded,
  • muddle-headed,
  • blameworthy,
  • far-out,
  • inattentive,
  • abashed,
  • perverse,
  • inexperienced,
  • comic,
  • crotchety,
  • brash,
  • forgetful,
  • Befooled,
  • improvident,
  • moron,
  • Addle-pated,
  • monstrous,
  • enamored,
  • Unwitty,
  • shortsighted,
  • Fribble,
  • vexatious,
  • inadvisable,
  • disturbed,
  • weak,
  • cockamamy,
  • bird-brained,
  • ill-conceived,
  • high-flown,
  • roguish,
  • unsuitable,
  • debilitated,
  • maniacal,
  • minute,
  • prejudiced,
  • nugatory,
  • irresolute,
  • impolite,
  • fanciful,
  • rustic,
  • Dupable,
  • offbeat,
  • careless,
  • cockeyed,
  • unenlightened,
  • hapless,
  • captious,
  • infatuated,
  • woodenheaded,
  • indiscriminate,
  • cock-eyed,
  • peculiar,
  • cuckoo,
  • elfish,
  • mistaken,
  • inconsequential,
  • lightheaded,
  • cretin,
  • injudicious,
  • Unphilosophical,
  • beguiled,
  • untried,
  • bats,
  • bumbling,
  • blithely,
  • mentally ill,
  • wavering,
  • balmy,
  • sick,
  • flippant,
  • tactless,
  • boorish,
  • gay,
  • ashamed,
  • minor,
  • immoderate,
  • Weak-minded,
  • otiose,
  • ill-advised,
  • naive,
  • slight,
  • foolheaded,
  • infantile,
  • Lean-witted,
  • unadvisable,
  • distracted,
  • deadpan,
  • jocular,
  • rude,
  • knowledge,
  • loco,
  • thick,
  • droll,
  • negligent,
  • mirthful,
  • scatterbrained,
  • childish,
  • fitful,
  • anomalous,
  • obscure,
  • choppy,
  • Sophomoric,
  • unrefined,
  • despicable,
  • faint,
  • unguided,
  • affectionate,
  • little,
  • slow-witted,
  • insignificant,
  • Crack-brained,
  • unreasoning,
  • puckish,
  • unreal,
  • poker-faced,
  • halfwitted,
  • low,
  • small fry,
  • overrefined,
  • marvelous,
  • tricksy,
  • Misled,
  • queer,
  • dolt,
  • repentant,
  • uncalled-for,
  • cowardly,
  • frolicsome,
  • reckless,
  • wasteful,
  • uncomprehending,
  • inconsiderable,
  • thin,
  • mad,
  • exhausted,
  • gooselike,
  • Feather-headed,
  • erratic,
  • elvish,
  • clownish,
  • dangerous,
  • feeble,
  • mysterious,
  • antic,
  • idle,
  • undiplomatic,
  • vacuous,
  • birdbrained,
  • rich,
  • sophistical,
  • witless,
  • spineless,
  • marvellous,
  • incorrect,
  • surface,
  • scatty,
  • unearthly,
  • inefficient,
  • playful,
  • idiot,
  • babyish,
  • awkward,
  • funny,
  • untoward,
  • bemused,
  • unsubstantial,
  • breakneck,
  • automatically,
  • whimsical,
  • Chuckleheaded,
  • off,
  • addled,
  • conscience-stricken,
  • hysterical,
  • wayward,
  • daredevil,
  • nerdy,
  • fey,
  • capricious,
  • amateurish,
  • crackbrained,
  • kooky,
  • flaky,
  • goosy,
  • not difficult,
  • wacky,
  • rubbishy,
  • reasonless,
  • odd,
  • shallow,
  • merry,
  • headless,
  • impish,
  • harmless,
  • Gulled,
  • irritating,
  • modesty,
  • absentminded,
  • imperceptible,
  • myopic,
  • psychopathic,
  • thickheaded,
  • lightly,
  • derisory,
  • loopy,
  • harebrained,
  • headlong,
  • prankish,
  • imprudent,
  • Absent-minded,
  • headstrong,
  • flip,
  • unglued,
  • volatile,
  • dull,
  • distraught,
  • unimpressive,
  • unfit,
  • dunce,
  • Unpractical,
  • anserine,
  • impracticable,
  • blessed,
  • misdirected,
  • softheaded,
  • pinhead,
  • misconducted,
  • trashy,
  • askew,
  • rash,
  • powerless,
  • superstitious,
  • windy,
  • incomprehensible,
  • fuddled,
  • jerking,
  • juvenile,
  • cloddish,
  • lunkheaded,
  • anonymous,
  • scapegrace,
  • impulsive,
  • crackers,
  • useless,
  • quibbling,
  • terrific,
  • trifling,
  • Misadvised,
  • trancelike,
  • Effet,
  • guilt-ridden,
  • Ungifted,
  • simpleton,
  • redden,
  • backward,
  • dense,
  • goosey,
  • feebleminded,
  • wooden,
  • undeserved,
  • heedless,
  • thick-witted,
  • vacillating,
  • psycho,
  • Rattle-brained,
  • trivial,
  • guilty,
  • ineffective,
  • dim,
  • indiscreet,
  • trivial matter,
  • flimsy,
  • unorthodox,
  • futile,
  • paranoid,
  • sleeveless,
  • light-headed,
  • empty,
  • merrily,
  • vacant,
  • mischievous,
  • nincompoop,
  • color up,
  • expressionless,
  • ninny,
  • uncontained,
  • contrary,
  • incidental,
  • unwise,
  • unstable,
  • happy,
  • finespun,
  • buffoonish,
  • unrestrained,
  • wild,
  • waggish,
  • amusing,
  • confused,
  • uncomfortable,
  • casual,
  • gaga,
  • meshuga,
  • precipitate,
  • blockhead,
  • benighted,
  • exorbitant,
  • airheaded,
  • fantastical,
  • untactful,
  • extravagant,
  • barmy,
  • unscientific,
  • unmindful,
  • unreasonable,
  • vain,
  • side-splitting,
  • bird brain,
  • jerky,
  • fond,
  • innocuous,
  • untalented,
  • phenomenal,
  • Mentally Disabled,
  • maudlin,
  • sportive,
  • humility,
  • airy-fairy,
  • Dilly,
  • Scampish,
  • uncoordinated,
  • unthinking,
  • Humorsome,
  • nonintellectual,
  • Fribbling,
  • Unapt,
  • doting,
  • dimwit,
  • tasteless,
  • skittish,
  • vexing,
  • slender,
  • pliant,
  • indecorous,
  • psychotic,
  • batty,
  • unthoughtful,
  • embarrassed,
  • simpleminded,
  • bootless,
  • high-spirited,
  • undiscriminating,
  • witty,
  • humorous,
  • unbelievable,
  • lunatic,
  • unbalanced,
  • giddy,
  • superficial,
  • undiscerning,
  • Daffy,
  • quixotic,
  • wet,
  • immature,
  • madcap,
  • contrite,
  • planned,
  • airy,
  • small,
  • frothy,
  • skin-deep,
  • far-fetched,
  • hollow,
  • demented,
  • soft,
  • unmeaning,
  • mortified,
  • booby,
  • spiritless,
  • warped,
  • fatuous,
  • trite,
  • oaf,
  • changeling,
  • Unreasoned,
  • Soft-headed,
  • skimble-skamble,
  • Trickish,
  • erroneous,
  • ineffectual,
  • devil-may-care,
  • hilarious,
  • moonstruck,
  • hare-brained,
  • groundless,
  • daft,
  • ungentlemanly,
  • vacuity,
  • pinheaded,
  • zany,
  • folly,
  • dippy,
  • facetious,
  • change color,
  • unreflecting,
  • unfitting,
  • rattlebrained,
  • fantastic,
  • unreflective,
  • jocose,
  • kinky,
  • risible,
  • bubbleheaded,
  • tomfool,
  • without reason,
  • imbecile,
  • inadequate,
  • lightweight,
  • ass,
  • infelicitous,
  • wondrous,
  • inappropriate,
  • knavish,
  • remiss,
  • prodigal,
  • featherbrained,
  • slow,
  • outre,
  • Fatuitous,
  • half-baked,
  • wonderful,
  • rudderless,
  • brainsick,
  • incompetent,
  • slapstick,
  • Feather-brained,
  • extreme,
  • wrong,
  • wanton,
  • unjustified,
  • inexpedient,
  • unseemly,
  • nitwitted,
  • unbecoming,
  • absurd,
  • ability,
  • buggy,
  • nuts,
  • bananas,
  • unwitting,
  • indiscernible,
  • annoying,
  • besotted,
  • impolitic,
  • not bright,
  • unladylike,
  • unhinged,
  • false,
  • inconclusive,
  • fickle,
  • loggerhead,
  • insensate,
  • haywire,
  • negligible,
  • infirm,
  • maniac,
  • Feeble-minded,
  • wrong-headed,
  • dopy,
  • unjustifiable,
  • misplaced,
  • sheepish,
  • screwy,
  • unfortunate,
  • frivolous,
  • unconsidered,
  • sorry,
  • screwball,
  • unimportant,
  • sappy,
  • in love,
  • fiddling,
  • inoffensive,
  • unscholarly,
  • Addle-brained,
  • gone,
  • extraordinary,
  • nutty.

Antonyms for Foolish:

• adj.

  • all
    wise.
  • nonsensical, idiotic
    prudent, logical, balanced, practical, thoughtful, serious, rational, reasonable, careful, sane, sensible, cautious, wise, unfoolish, responsible, smart, plain, realistic, circumspect, sound.
  • Other antonyms:
    illustrious, realistic, substantial, outstanding, fateful, decisive, established, important, sensible, essential, overmastering, consistent, consequential, infallible, eventful, distinguished, remarkable, prestigious, all-important, prominent, big, incontrovertible, meaningful, renowned, material, fundamental, certain, unquestionable, well-advised, logical, principal, incontestable, distinctive, basic, notorious, worthy, indubitable, demonstrated, great, indisputable, undeniable, overriding, valuable, major, eminent, dominant, overbearing, key, preeminent, momentous, worthwhile, true, famous, chief, reasonable, significant, demonstrable, fatal, valid, impressive, sound.