Definition for Boneheaded:

• very stupid; used of people or actions.

Synonyms for Boneheaded:

• adj.

  •blockheaded (adjective)
  • unintelligent,
  • empty-headed,
  • simpleminded.
  •dimwitted (adjective)
  • half-witted.
  •doltish (adjective)
  • oafish.
  •fatuous (adjective)
  • insensate,
  • silly,
  • sappy,
  • brainless,
  • dense,
  • absurd,
  • foolish,
  • simple,
  • moronic,
  • mad,
  • puerile,
  • jerky,
  • dull,
  • asinine,
  • inane,
  • vacuous,
  • imbecile,
  • ludicrous,
  • lunatic.
  •half-baked (adjective)
  • imbecilic,
  • slow,
  • senseless,
  • harebrained,
  • impractical,
  • underdeveloped,
  • ignorant,
  • indiscreet,
  • retarded,
  • Feeble-minded,
  • batty,
  • backward,
  • crazy,
  • short-sighted,
  • dumb,
  • unformed.
  •thick (adjective)
  • dim-witted,
  • slow-witted,
  • obtuse,
  • numbskulled,
  • dopey,
  • insensitive.

• n.

  •boneheaded (noun)
  • stupid.

• Other synonyms:

  •adj.
  • idiotic,
  • mindless,
  • witless,
  • Sophomoric,
  • halfbaked,
  • blockheaded,
  • blockish,
  • cloddish,
  • doltish,
  • fatuous,
  • half-baked,
  • ill-conceived,
  • loggerheaded,
  • thick,
  • thick-skulled,
  • dimwitted,
  • birdbrained,
  • emptyheaded,
  • halfwitted,
  • lamebrained,
  • poorly planned,
  • thickskulled.
  •n.
  • fatheaded,
  • thickheaded,
  • wooden-headed,
  • Duncical,
  • Duncish.
  •Other relevant words:
  • abstruse,
  • adipose tissue,
  • adolescent,
  • airy,
  • anserine,
  • around the bend,
  • arrant,
  • arrhythmic,
  • at sea,
  • atrocious,
  • avoirdupois,
  • back,
  • backbreaking,
  • backwards,
  • baffled,
  • balmy,
  • bare,
  • barmy,
  • bass,
  • bathetic,
  • bats,
  • befuddled,
  • behind,
  • benighted,
  • benumb,
  • bewildered,
  • big,
  • black,
  • bleak,
  • blind,
  • blockhead,
  • blocky,
  • blubber,
  • blue,
  • blunt,
  • blur,
  • boneheaded,
  • bonkers,
  • boorish,
  • boring,
  • bovid,
  • bozo,
  • brainsick,
  • brawny,
  • broad,
  • broken,
  • buggy,
  • bullet-headed,
  • bullheaded,
  • bundle,
  • can,
  • chamberpot,
  • changeling,
  • childlike,
  • choppy,
  • clayey,
  • cloggy,
  • cockeyed,
  • cold,
  • cold-blooded,
  • commode,
  • compact car,
  • compendious,
  • complete,
  • compress,
  • concentrated,
  • concordat,
  • confounded,
  • constrict,
  • consummate,
  • contract,
  • covenant,
  • crackbrained,
  • cracked,
  • crackers,
  • crapper,
  • cretin,
  • crude,
  • crying,
  • cryptic,
  • cryptical,
  • cushy,
  • damp,
  • dampen,
  • dangerous,
  • daredevil,
  • darkness,
  • dazed,
  • deadening,
  • decelerate,
  • deeply,
  • delicate,
  • delirious,
  • derisory,
  • developing,
  • dewy-eyed,
  • difficult,
  • diffuse,
  • diffused,
  • dimmed,
  • dingy,
  • dip,
  • disconnected,
  • disconsolate,
  • disjointed,
  • dismal,
  • disordered,
  • disoriented,
  • disturbed,
  • dolt,
  • double-dyed,
  • dour,
  • drab,
  • drear,
  • dreary,
  • drippy,
  • drowsing,
  • drowsy,
  • dullard,
  • dunce,
  • dunderhead,
  • earthy,
  • easy,
  • easygoing,
  • egregious,
  • elementary,
  • empty,
  • enamored,
  • enceinte,
  • engrave,
  • entire,
  • especial,
  • everlasting,
  • exceeding,
  • excited,
  • expectant,
  • faint,
  • farcical,
  • fathead,
  • fatness,
  • fatten,
  • fatten out,
  • fatten up,
  • fatty,
  • fatty tissue,
  • featherbrained,
  • feebleminded,
  • fertile,
  • fickle,
  • fill out,
  • firmly,
  • flabby,
  • flaccid,
  • flagitious,
  • flagrant,
  • flesh out,
  • fleshy,
  • flighty,
  • fluid,
  • flyaway,
  • forgetful,
  • frantic,
  • fruity,
  • full moon,
  • full phase of the moon,
  • full-of-the-moon,
  • fully,
  • fundamental,
  • gaga,
  • garbled,
  • gaumless,
  • gentle,
  • giddy,
  • glaring,
  • gloomy,
  • glowering,
  • glum,
  • good,
  • goodish,
  • goodly,
  • goof,
  • goose,
  • gooselike,
  • goosey,
  • goosy,
  • grave accent,
  • gravid,
  • great,
  • grim,
  • grueling,
  • gruelling,
  • half-wit,
  • hammerhead,
  • hardhearted,
  • hardly,
  • harum-scarum,
  • haywire,
  • head-in-the-clouds,
  • headless,
  • healthy,
  • heartbreaking,
  • heartrending,
  • heavily,
  • ho-hum,
  • hollow,
  • hothead,
  • huffy,
  • illiterate,
  • illogical,
  • impassive,
  • impenetrable,
  • in love,
  • indulgent,
  • infatuated,
  • inferior,
  • inhuman,
  • inscribe,
  • inscrutable,
  • insensible,
  • insentient,
  • insufficient,
  • intemperate,
  • intemperately,
  • irrational number,
  • jejune,
  • jerk,
  • jerked meat,
  • jerking,
  • juicy,
  • juvenile,
  • knockout,
  • knucklehead,
  • kookie,
  • kooky,
  • labored,
  • laborious,
  • laboured,
  • lacking,
  • large,
  • late,
  • laughable,
  • leaden,
  • lenient,
  • light,
  • lightheaded,
  • loco,
  • loggerhead,
  • looney,
  • loopy,
  • lost,
  • lowering,
  • lumbering,
  • lumpen,
  • lunkhead,
  • madcap,
  • madman,
  • maniac,
  • matey,
  • maudlin,
  • mawkish,
  • mazed,
  • megascopic,
  • mentally ill,
  • mentally retarded,
  • mercurial,
  • mere,
  • midst,
  • mild,
  • misguided,
  • mixed-up,
  • monstrous,
  • moody,
  • moonstruck,
  • moron,
  • morose,
  • muddled,
  • muffle,
  • muffled,
  • muscular,
  • mushy,
  • mute,
  • muted,
  • muttonhead,
  • muzzy,
  • mysterious,
  • mystifying,
  • neandertal,
  • neanderthal,
  • nescient,
  • night,
  • nighttime,
  • nonsense,
  • numb,
  • numskull,
  • nutcase,
  • nutlike,
  • obscure,
  • oceanic abyss,
  • olympian,
  • onerous,
  • otiose,
  • overweight,
  • pack,
  • pack together,
  • pall,
  • pally,
  • palsy-walsy,
  • particular,
  • pathetic,
  • perfect,
  • piano,
  • planetary,
  • plump,
  • plump out,
  • pointless,
  • ponderous,
  • poor fish,
  • porcine,
  • powder compact,
  • powerful,
  • precarious,
  • preoccupied,
  • preposterous,
  • press,
  • prodigious,
  • productive,
  • pudden-head,
  • pudding head,
  • punch-drunk,
  • punishing,
  • purblind,
  • pure,
  • purposeless,
  • quicksilver,
  • rank,
  • rattlebrained,
  • rattlepated,
  • rearward,
  • rearwards,
  • reasonless,
  • receipts,
  • recondite,
  • replete,
  • respectable,
  • revenue,
  • rich,
  • ridiculous,
  • round the bend,
  • round-eyed,
  • saturnine,
  • scattered,
  • scatty,
  • schmaltzy,
  • schmalzy,
  • scratch,
  • screw-loose,
  • screwball,
  • sculpt,
  • sculpture,
  • sedate,
  • sentimental,
  • serious,
  • severe,
  • severely,
  • shadow,
  • shadowy,
  • shitless,
  • sick,
  • silent,
  • simpleton,
  • sinewy,
  • sinister,
  • sizable,
  • sizeable,
  • slack,
  • slacken,
  • slaphappy,
  • slow down,
  • slow up,
  • slowly,
  • sluggish,
  • slur,
  • slushy,
  • smitten,
  • sober,
  • sodding,
  • soft on,
  • soft-witted,
  • softened,
  • solemn,
  • sonant,
  • sonorous,
  • soppy,
  • sore,
  • sorry,
  • sound,
  • soupy,
  • sour,
  • special,
  • speechless,
  • squeeze,
  • staring,
  • stark,
  • stonyhearted,
  • stool,
  • straining,
  • strenuous,
  • strong,
  • stunned,
  • stupefied,
  • stupid person,
  • subdued,
  • substandard,
  • succinct,
  • sullen,
  • summary,
  • superfluous,
  • surd,
  • surpassing,
  • swashbuckler,
  • swinish,
  • swooning,
  • taken with,
  • tardily,
  • taxing,
  • tedious,
  • temperamental,
  • thickly,
  • thorough,
  • thoroughgoing,
  • threatening,
  • throne,
  • thudding,
  • thunder mug,
  • tiddly,
  • tidy,
  • tipsy,
  • tiresome,
  • to the full,
  • toilsome,
  • tomb,
  • tone down,
  • total,
  • tough,
  • trench,
  • twat,
  • unadulterated,
  • unbalanced,
  • uncomplicated,
  • unconnected,
  • underdone,
  • unfathomed,
  • unhinged,
  • unintelligible,
  • unknowing,
  • unknowledgeable,
  • unlearned,
  • unlettered,
  • unmindful,
  • unplumbed,
  • unproblematic,
  • unrestrained,
  • unsound,
  • unsounded,
  • unsubdivided,
  • unthinking,
  • unvoiced,
  • unwitting,
  • upset,
  • utter,
  • vague,
  • vertiginous,
  • visionary,
  • voiced,
  • voiceless,
  • vulgar,
  • wad,
  • wakeless,
  • wandering,
  • wanting,
  • wasted,
  • wax,
  • wearisome,
  • weighed down,
  • weighty,
  • weirdo,
  • whacky,
  • wickedness,
  • wide,
  • wide-cut,
  • wide-eyed,
  • wild,
  • windy,
  • wispy,
  • with child,
  • woolly,
  • woolly-headed,
  • wooly,
  • wooly-minded,
  • woozy,
  • zany,
  • goofball,
  • pillock,
  • 144,
  • hokey,
  • buddy-buddy,
  • life-threatening,
  • kitschy,
  • out of it,
  • the absurd,
  • tough-skinned,
  • idiot,
  • pot,
  • toilet,
  • retard,
  • jackass,
  • fuckhead,
  • shithead,
  • dumbass,
  • developmentally challenged.

Antonyms for Boneheaded:

• adj.

  • fatuous
    aware, sensible, keen, smart, bright, intelligent.
  • half-baked
    wise, thoughtful.
  • thick
    slight, diluted, attenuated, uncrowded, unsociable, watery, unfriendly, thin, clear, loose.
  • Other antonyms:
    insightful, quick, nimble, skilled, sage, knowing, wily, informed, apt, savvy, reasonable, foxy, erudite, logical, thinking, sharp, literate, ingenious, discerning, astute, percipient, knowledgeable, learned, supersmart, well-read, sagacious, sapient, ultrasmart, judicious, highbrow, brilliant, resourceful, sound, valid, sane, brainy, crafty, fast, schooled, perceptive, acute, perspicacious, rational, hyperintelligent, prudent, intellectual, quick-witted, scholarly, Sharp-witted, cunning, educated, trained, shrewd, cerebral, clever.