Từ đồng nghĩa của infrequent

Từ đồng nghĩa: irregular, occasional, rare, scarce, sparse, uncommon,

Từ trái nghĩa: frequent,

rare scarce uncommon sporadic odd occasional irregular unusual isolated intermittent scattered exceptional scant unaccustomed fitful sparse scanty limited seldom spasmodic meagre meager unwonted few semioccasional sometime stray few and far between thin on the ground out of the common like gold dust once in a blue moon as scarce as hens' teeth abnormal erratic atypical uncustomary casual episodic unexpected unique deficient surprising out of the ordinary unfrequent anomalous aberrant extraordinary in short supply periodic peculiar singular random aperiodic strange discontinuous aberrated episodical unconventional queer insufficient weird bizarre especial seldom seen at a premium skimpy wanting curious unfamiliar exiguous lacking unorthodox unsteady novel special deviant desultory freak spotty choppy spastic phenomenal catchy freaky preternatural short thin paltry seldom found periodical incidental incredible offbeat out of the way something else inadequate uneven extraordinaire patchy inconceivable outlandish oddball quirky unheard of poor freakish stingy exceeding piddling remarkable way out hard to come by different outré uncharacteristic inconsistent negligible unprecedented changeable chance inconsiderable uncertain incomplete not habitual scattershot slender middling on-again-off-again measly jerky faulty noteworthy hit-or-miss straggling trifling lean inconsequential imperceptible minute unheard-of imperfect defective conspicuous unordinary shaky sketchy alien shy low funny unsatisfactory fragmentary eccentric on and off not enough out-of-the-way unequal wonderful unfinished hard to find low in numbers off the wall running low discrete strewn widespread not frequent unpredictable minimal minimum nominal marginal small insignificant bits and pieces fits and starts unthinkable divergent notable incomparable distinct inappreciable convulsive recurrent recurring seasonal unimaginable unexampled unlikely seldom met with nugatory token left-field spurtive twitching off-centre outre nondescript startling extreme egregious arcane exotic original fantastic accidental basal rarefied exclusive particular specific in bits and pieces in fits and starts untypical fortuitous fluky contingent spare skimp slim light sparing hand-to-mouth next to none next to no off and on far-out awe-inspiring astonishing prominent unparalleled prodigious outstanding awesome amazing significant atypic memorable eminent distinguished refreshing scrubby thinly distributed dispersed bare slight scrimpy part-time flawed inferior impaired weak shoddy unqualified incommensurate substandard needing scrappy unsound second-rate inconstant fluctuating unstable shabby duff unsuitable unworthy volatile variable insubstantial restricted too few too little less second string second fiddle not up to scratch outta gas unassembled underprovided not make it found wanting undersupplied not cut out for injured amiss damaged third string leaving much to be desired marred capricious unsettled pathetic minus destitute unfitted incapable failing unample drained too small dry incompetent bereft devoid varying wavering changing shifting unreliable short of too little too late out of haphazard unsystematic nonuniform widely spaced in the minority unmethodical disconnected indiscriminate designless aimless unpunctual unconsidered purposeless ever-changing on-and-off up and down off-and-on non-periodic quaint wacky crazy unnatural rum off-the-wall wild idiosyncratic kinky kooky way-out bizarro screwy kookie uncanny whacky funky weirdo cranky queerish mysterious new off-kilter spaced-out avant-garde mystifying fresh zany wacko puzzling baffling unknown distinctive perplexing whimsical striking alternative unaccountable innovative out there inexplicable preposterous incongruous astounding groundbreaking absurd nonconformist creative far out ridiculous unbelievable eerie inventive revolutionary fanciful radical spooky individual miraculous unrepresentative foreign unco innovatory ingenious innovational pioneering newfangled droll stunning imaginative ludicrous flaky sensational outrageous flakey dubious insane staggering obscure perverse devious aberrational deviate surreal untried grotesque experimental unreal nonsensical suspicious modern impressive incomprehensible advanced daggy creepy supernatural out in left field Bohemian fishy fantastical signal marvellous ground-breaking questionable shocking trailblazing marvelous perverted jarring modernistic disruptive nutty foolish monstrous heteroclite state-of-the-art irrational extravagant ultra-modern neoteric new-fashioned wondrous nonstandard paranormal arresting nonconforming unearthly mad dramatic heterodox non-typical marked superior bewildering fabulous quizzical futuristic cockeyed characteristic off-center off-key eye-catching noticeable breathtaking stupendous mystic illogical interesting originative avant garde ghostly off the beaten track dotty brilliant contemporary spectacular individualistic unforeseen occult out of this world unanticipated implausible unconforming bohemian pronounced warped anomalistic unfathomable deviating twisted magical confounding inspired unintelligible madcap silly laughable comical jaw-dropping tremendous eye-opening loony transcendental fatuous senseless cuckoo cutting-edge leading-edge superhuman metaphysical dumbfounding seminal befuddling hare-brained mind-boggling mind-blowing balmy dumfounding cockamamie momentous lunatic unexplored improbable harebrained bent informal flamboyant jolting distorted out of line eye-popping obvious supermundane unceremonious breaking new ground kenspeckle emphatic impenetrable in left field stimulating numinous secret esoteric dark wayward intriguing inscrutable unknowable visionary inane superlative magnificent slang clever rogue progressive surprise contrary risible fascinating disparate corrupt asinine doubtful resourceful terrific suspect dilly colourful attractive stupefying artistic off-base newsworthy unreasonable considerable flabbergasting stupid crackpot off-color confusing farcical Promethean altered awful substantial unhinged demented imposing showy looney blindsiding dazzling daffy colorful one of a kind dippy overwhelming noisy splashy bold bodacious grabby commanding screwball psychic beat out-of-the-box little known cutting edge half-baked unpredicted portentous distinguishing appreciable hidden featherheaded extramundane phantom just out unannounced unhealthy single supranatural spectral maverick other-worldly fairy invisible celestial unrevealed mythological from left field mythical legendary forward-looking superordinary uncomprehensible concealed non-standard deviative exciting glamorous transcendent specialized mystical supernormal old-fashioned goofy hippy signature sick amusing humorous arbitrary otherworldly boho surpassing cool vivid pervy out-there out of place stellar only romantic make-believe awkward discordant malformed inspiring unusually good sicko batty inappropriate pointless unlike daft unbalanced engaging recent heretical unmatched unequalled unrivalled inimitable quixotic recherche magic disputable dubitable far-fetched derisory shady fertile untested specialised variant whacko equivocal debatable doubtable digressive latest artful dodgy transgressing witless unrivaled problematic untraditional amazeballs problematical unforgettable brainless matchless unexcelled unequaled deep productive serious diagnostic discriminating classic symptomatic identifying diagnostical sudden wandering off the beaten path too good to be true unwise record peerless weird and wonderful manifest characterful remote recondite rummy psycho mental salient visible great one and only uninvestigated muddling heavy beyond your ken deranged simpleminded impossible attention-grabbing maniacal flustering perceptible consequential lunkheaded fundamental bubbleheaded gee-whizz without equal without parallel off the air tomfool electrifying first-time inept observable strong sappy fool half-witted weak-minded beyond compare in a league of its own too much sui generis without warning extrasensory important out of character out of the question hard to swallow superphysical forceful worthy of attention out of the blue heavenly beyond belief supersensible fringe mould-breaking exquisite offhand depraved welcome alternate ornate dissimilar typical trendsetting spearheading innovating brand-new custom-built modified custom-made special-order custom customized personalized mischievous playful unsavoury sadistic degenerated degenerate masochistic fancy loner other out of keeping skittish waggish thrilling disconsonant irrelevant inapropos incongruent incoherent immoral licentious pretend imitation concocted labored laboured ersatz made-up staged vagarious teratoid unrecognized anarchistic out of the box rad hippie ultramodern groovy mod gothic baroque Gothic sublime transformational imported ready straying rambling moving touching cherished perfect disquieting unforeseeable unexplainable unrecognised crinkly twisty unsavory alone variational unnormal heteromorphic eccentrical unworldly touched non-rational hypernormal up to date brand new unharmonious excentrical disorderly deviceful sole solitary shock not prepared differentiating proper lone devastating pointed chimerical crotchety like nothing on earth funny peculiar dissident heretic dissenting nonorthodox iconoclastic dissentient disconcerting enterprising diacritic insoluble unsolvable kookish very unconventional customised personalised excessive errant unnerving unsettling glamourous foreign-looking improper illegal drastic unhackneyed difficult to believe ghostlike up-to-date this season's new-fangled exorbitant derisive cockamamy flighty dicey chancy not typical witty one off-beat not just another beatnik sectarian schismatic anarchic supercalifragilisticexpialidocious off the rails evident not normal unrealistic eldritch impracticable mercurial unacceptable offensive undiscovered huge one-off inexplainable enigmatic abstruse beyond comprehension beyond understanding thick taking the cake external outside enticing extrinsic extraneous alluring peregrine grandiose infantile imbecilic crazy-ass cock-eyed wackadoodle idiotic wackadoo eery spookish haunting insightful wildering bugged out unmistakable unrelated imprudent dreamlike foolhardy unworkable puerile nonplussing shattering discomfiting nonplusing dismaying upsetting unsung disgraceful unremarked unregarded up-and-coming game-changing world-shattering extra special flash gnarly forby ghastly horrific dreadful ominous fearful abrupt not in the cards without notice tidy sizeable reasonable fair blue-sky nuts clear-cut graphic from abroad far cry unrepeated bonkers uncouth supernal drop-dead clear irresponsible dreamy poetical never to be forgotten measurable detectable nameless little-known undreamed of undreamed-of unrenowned loopy barmy clownish comic lively all-time forcible off beaten path subtile flimsy subtle preeminent towering tenuous attenuate attenuated standout unconvincing incredulous unconceivable uncompelling inspirational fictive pie-in-the-sky high-flown utopian poetic potty telling charming powerful jazzy lofty dynamite compelling cogent arrestive bird-brained out of all reason short-sighted ill-conceived beyond all reason crackers scatty crackbrained fruity haywire cracked gaga meshuga brainsick crazed loco maniac wud bedlam meshugge bughouse psychotic bats moonstruck certifiable highly unlikely not on insupportable incogitable beyond the bounds of possibility beyond possibility rich picturesque full of life gay full of character gonzo unfrequented unvisited breaking ground brain wave goodly loony tunes looney tunes demiurgic never before encountered animated scintillating non compos mentis of consequence of importance acting crazy dishonest untrustworthy gorgeous captivating beautiful detailed evocative phony murky farfetched shonky criminal cult trendy phoney of doubtful honesty open to question rings untrue won't wash open to doubt not kosher not quite right under suspicion not well-known can't miss it incompatible hellish highly coloured barbarous major big unholy critical sizable much headline preponderant severe cardinal impactful high-priority decisive mighty pivotal capital intense keynote generous burning milestone conclusive glaring fateful high-level pressing glorious crucial principal earthshaking eventful weighty heavy-duty earnest meaningful earth-shattering landmark resonant large-scale historic material large urgent all-important carrying a lot of weight quantum front-page extensive monumental hefty vital ponderable potent climacteric grave far-reaching made in hell

periodic periodical regular repeated recurrent occasional cyclical intermittent seasonal cyclic recurring sporadic spasmodic constant continual frequent habitual on-and-off steady odd alternate annual broken centennial continuing daily episodic epochal fluctuating hourly interrupted intervallic isochronal isochronous monthly on-again-off-again orbital perennial rhythmic routine serial weekly yearly at fixed intervals at various times on certain occasions every so often every once in a while fitful discontinuous punctuated on and off shifting checked stop-and-go iterative rhythmical arrested hit-or-miss metrical discontinuing iterant every other here and there now and then by bits and pieces irregular disconnected fragmentary casual patchy spotty erratic episodical aperiodic spastic isolated unsteady scattered random choppy catchy stop-go alternating in fits and starts on again and off again on-again, off-again repetitive persistent perpetual continued reoccurring rolling chronic incessant numerous chain unremitting ceaseless reiterative relentless endless like clockwork eternal non-stop repeating successive even continuous sustained customary uniform unvarying consistent unchanging unrelenting uninterrupted unceasing many never-ending oft repeated unending countless unbroken invariable iterated round-the-clock dependable standardized standardised nonstop reliable occurring often very many a great many oft-repeated happening at intervals commonplace usual quotidian everyday returning unwavering changeless undeviating unfluctuating unfaltering invariant undying stable predictable unchangeable nonrandom steady-going all-year-round everlasting interminable abiding neverending unabating unrelieved persisting enduring sempiternal lasting regularized regularised without respite familiar common profuse manifold reiterated several thick various quite a lot of lots of millions of dozens of loads of a good many heaps of hundreds of thousands of quite a few masses of symmetrical systematic fixed regulated orderly set methodical systematized measured patterned mechanical harmonious systematised balanced precise congruous consonant accordant arranged punctual exact in order more … than one can shake a stick at

infrequently infrequently glimpsed infrequently mentioned infrequently sighted infrequent occurrence in fright infrequency infrequencies infravision infrastructure wise infrastructures infrastructure