Đồng nghĩa của not bright

dirty dull clouded cloudy dark dingy muddy miry dullish muddied muted not pure not clear turbid murky opaque roiled roily riley riled milky nontranslucent nontransparent non-transparent emulsified blurred impure opalescent gauzy foggy nubilous mushy dusky soupy foul brumous beclouded smoggy mucky nasty unclean grubby filthy unstrained thick confused unsettled dense heavy obscure scrambled muddled unclear feculent chaotic disorganized sedimentary polluted disorganised filmy smeared smeary grimy lustreless smoky gloomy obfuscated solid darkened impervious frosty shady sooty lusterless misty hazy nebulous indistinct dim indefinite leaden overcast dismal lowering vague befogged shadowy indistinguishable faint blurry fuzzy bleary blear undefined out of focus hazed louring impenetrable overclouded veiled obscured indiscernible indeterminate imprecise woolly unfocused wooly distorted ill-defined Cimmerian crepuscular lacking definition formless pale undetermined ambiguous barely perceptible

dull unintelligent stupid slow dumb foolish idiotic imbecilic moronic obtuse dense dim naive brainless dopey ignorant thick vacuous cretinous daft mindless vapid witless doltish dozy fatuous lamebrained oafish senseless simple stolid backward dim-witted dull-witted dunce-like empty-headed half-witted insensate simpleminded simple-minded slow-witted thick as two short planks unthinking boneheaded bovine brain-dead chuckleheaded dunderheaded fat-headed muttonheaded pig-ignorant slow on the uptake soft in the head thick-headed wooden-headed not the full shilling airheaded birdbrained bonehead bubbleheaded daffy dopy dorky feeble-minded gormless knuckleheaded lamebrain lunkheaded numskulled pinheaded scatterbrained shallow softheaded thickheaded thick-witted unintellectual unsmart weak-minded opaque soft silly imbecile pea-brained dippy crazy asinine inane blockheaded dotish gullible half-baked dof barmy chowderheaded unwise sluggish blockish thoughtless dotty glaikit batty unreasoning dead from the neck up imperceptive harebrained goofy insensitive uncomprehending lumpish divvy feebleminded tomfool nutty cuckoo wooden as thick as two short planks unaware injudicious deficient mad arrested underdeveloped featherheaded thick-skulled crackpot subnormal lethargic wacky braindead halfwitted unmindful ridiculous screwy hare-brained sappy blind puerile absurd crass heavy insane very stupid inattentive scatty ludicrous oblivious careless clueless imprudent neglectful unconscious crackbrained vacant torpid lunatic damfool unperceptive fool laughable ill-advised touched delayed behind undeveloped late underprivileged checked limited weak illiterate lagging dummy childish flaky uneducated clownish inept jerky heedless deranged addle-brained loopy unobservant crackers mental nuts cracked unschooled nonsensical cloddish bonkers untaught woodenheaded kooky loony looney whacky kookie balmy hebete flakey pointless potty myopic nitwitted undiscerning unperceiving rash hebetudinous indiscreet retarded nearsighted risible indiscriminate inconsiderate unreasonable giddy unseeing purblind feather-brained irrational dimwitted boorish unresponsive slow on uptake not intelligent short-sighted mentally deficient mentally handicapped ill-mannered immature doolally nonliterate impercipient Boeotian nerdish unlearned benighted analphabetic uninstructed unimaginative numbskulled rattlebrained unlettered unread preposterous stupefied thick-skinned slumberish comatose lifeless inert anencephalic anencephalous insentient bone-headed idiot infantile irresponsible incautious foolhardy surd idiotical unconsidered invalid notional nonrational boobish fallacious unreasoned buffoonish untutored rude dark phlegmatic placid loggerheaded clottish superficial log-headed addle-pated reckless impolitic fatheaded impassive screwball cockeyed zany credulous feeble inanimate somnolent shortsighted duncelike stunted derisible dappy cockamamy pie-faced negligent featherbrained ditzy dizzy frivolous skittish flighty without thought inactive listless forgetful foolishly stupid insipid meaningless complacent thick as mince off the air mentally slow slothful chowderhead indiscriminating underachieving pinhead dumbbell dumdum yo-yo mooning daydreaming spaced-out out moony idiotish squirrelly not with it out to lunch smoothbrained know-nothing pea-brain smooth-brained ill-considered out of it numbskull mentally defective defective retardo dumbo exceptional gorked held back tardy leisurely dragging dallying crawling dawdling snail-paced dilatory laggard bungling dillydallying clumsy snaillike pokey awkward languid unhurried poking poky creeping unknowing unwitting lumbering incompetent nescient inexperienced unhinged innocent incognizant insensible unacquainted uninformed green gawky ungainly elephantine ill-informed impractical in the dark unco cumbersome puddingy brainsick cranky demented crazed loco maniac wud maniacal unsound bedlam meshugge bughouse psychotic slang fruity unbalanced haywire bats gaga wacko moonstruck whacko psycho meshuga certifiable not all there looney tunes bedlamite not quite right loony tunes fried non compos mentis in the ozone off the wall out of one's gourd illogical wild bizarre cockamamie fantastic farcical outrageous derisory futile fantastical fanciful incongruous ill-conceived odd cock-eyed comical derisive pathetic impracticable unstable eccentric implausible unreal grotesque gonzo around the bend wrong disordered off-the-wall unworkable weird unrealistic peculiar inconsistent queer psychopathic unthinkable schizophrenic distraught paranoid raving frenzied strange off one's gourd off one's head unjustifiable nutty as a fruitcake mad as a hatter out of one's mind crazy as a loon off one's rocker stark raving mad sick in the head untenable delirious incredible unscientific unbelievable outlandish improvident groundless monstrous astonishing shocking distracted misguided nutsy inappropriate vain rabid raving mad derailed unsettled out there raging off hasty as daft as a brush off beam way out madcap mentally ill of unsound mind impulsive erratic fruitless sick specious disturbed whimsical sectionable berserk incoherent sociopathic incorrect faulty illegitimate inconsequent inconsequential unfounded surreal buggy freaky bushed funny sophistic unglued flawed ditsy frothy yeasty confused ill-thought-out lightheaded light-minded aberrant nerdy unearthly contradictory moonstricken not right upstairs not quite right in the head flipped out not in one's right mind not right in the head oddball dazed dreamy gelastic barking light-headed up the pole one card shy of a full deck a few cards shy of a full deck a few sandwiches short of a picnic without foundation without basis barking mad away with the fairies round the bend foaming at the mouth full of holes stark staring mad mad as a March hare round the twist in another world not making sense off one's nut in a daze off one's trolley purposeless ill-judged childlike crude unstudied unworldly uncomplicated extravagant empty unpractical callow trifling worthless harum-scarum inadvisable tearaway incomprehensible donkeyish obstinate comic ignoramus unsafe contemptible wishy-washy flat innocuous burlesque droll foolheaded spurious sheepheaded poor manic hilarious baseless arbitrary devoid of intelligence mercurial hysterical neurotic schizoid schitzy unjustified erroneous bathetic feather-headed worthy of scorn uncontrolled mentally incompetent bugged out paranoiac paranoic wackadoodle bewildering nonconformist crazy-ass mystifying extraordinary abnormal unique unusual freakish baffling wackadoo phenomenal puzzling inconclusive reasonless disconnected disjointed frantic psychopathological violent extremely foolish bad risky muddle-headed wet behind the ears inconceivable outré dreamlike offbeat rum remarkable funky quixotic quirky weirdo stupidly irresponsible nutso bemused bananas impossible sophistical off your head off your trolley demoniac yarra casuistic unproved porangi lacking knowledge unzipped dingy flipped schizo useless ineffectual perverse false irrelevant unconnected irreconcilable self-contradictory unsubstantial beyond belief hollow off-kilter as mad as a March hare having bats in the belfry deprived of one's wits manic-depressive stark mad over the edge non compos severely mentally ill one sandwich short of a picnic not together out of one's tree not of sound mind mentally deranged having a screw loose with a screw loose off the deep end as mad as a hatter having kangaroos in the top paddock flipped-out freaked out off the chain beyond all reason bird-brained out of all reason not well thought out light-hearted facetious not following joshing camp embarrassing in vain campy diverting flippant merry beyond the bounds of possibility flip juvenile idle non-serious to no avail for grins lacking seriousness nonserious perky unprofound not serious lighthearted lacking in sense tongue-in-cheek gay volatile light playful

not broken in not budge not budged not budge on not budges not budging not breathing not breathe a word of not bought not bottled not bothers not bothering