Trái nghĩa của efficacious

Alternative for efficacious

Trái nghĩa: inefficacious,

Tính từ

(of something inanimate or abstract) Opposite of successful in producing a desired or intended result
unproductive useless ineffective inefficacious ineffectual unsuccessful fruitless futile inefficient inoperative unfruitful abortive impotent incapable unavailing weak unprofitable vain bootless profitless non-successful worthless pointless inadequate inept feeble failed idle purposeless nugatory empty barren lame in vain Sisyphean unfructuous of no avail inutile for nought to no effect disadvantageous incompetent powerless unhelpful bad unfavorable unfavourable unimpressive defective imperfect valueless helpless feckless unconvincing hopeless unsure stupid detrimental implausible impactless unpersuasive faulty pathetic hollow harmful inconsequential flimsy fallible forceless limited inconclusive suspect questionable unbelievable invalid substandard doubtful trivial unimportant inapt wasteful nonfunctional unmoving unusable unworkable nonproductive counterproductive unserviceable dysfunctional good-for-nothing unpurposed impracticable unuseful unfunctional erring faultful impractical insignificant prohibitive disagreeable meek insipid inactive indefinite incoherent unintelligent hurtful injurious vague ignorant unsatisfactory dissuasive obscure wanting improbable unsubstantial lacking incomplete inconceivable half-hearted uncompelling incredible groundless irrelevant unfounded immaterial deficient shaky poor raw shallow insufficient immature rambling unremarkable lousy understated toothless failing disputable derisory laughable unpronounced unprepared untrained unqualified flabby otiose unrewarding unworthy negative meaningless unusuable unskilled uncreative slow unyieldly sterile lazy unpoignant hurting unstirring unstimulating nongood uninspirational uncertain dubious error-prone unreliable undependable untouching uninfluential deleterious troublesome little objectionable inopportune inconvenient inferior untimely adverse prejudicial obstructive undesirable bothersome soft disabled infirm unhealthy fragile inexpedient unsuitable inoperable expendable not useful of no use scrap no good unbeneficial destructive not effective waste unpropitious unfitting incompatible infelicitous malapropos inapposite inapplicable incongruous uncongenial fail unwise theoretical improper inappropriate unworthwhile unbefitting

Tính từ

Opposite of able to persuade or convince
unconvincing ineffective weak feeble flimsy implausible inconclusive incredible indecisive invalid uncompelling unpersuasive dampening discouraging disheartening dissuasive illogical impotent improbable incapable ineffectual unbelievable unimpressive unlikely unreasonable vague unimportant muddled apathetic meek inactive gentle moderate mild idle unforceful passive lethargic vain unsuccessful dubious specious inadequate shallow unconceivable fanciful poor unthinkable doubtful unrealistic lame questionable trifling incredulous thin unsound inconceivable suspect fantastical unsatisfactory unimaginable beyond belief far-fetched scarcely credible not credible not convincing difficult to believe hard to believe

Tính từ

Opposite of having achieved a goal or set of goals
unsuccessful ineffectual ineffective defeated fruitless futile luckless thwarted doomed foiled ill-fated unprosperous bad depressed forfeiting hopeless incapable losing uneconomic useless unlucky unfortunate sick hexed poor unfelicitous troubled disadvantaged desperate curst unwell unblessed penniless pained broken unpromising cursed unhealthy failed helpless impoverished unfulfilled alone homeless inauspicious gone to pieces skint abandoned lonely pale lonesome nothing traumatized untimely out of luck disastrous pathetic diseased failing fatiguing sad sack unpropitious afflicted baleful weak star-crossed pitiable deficient dirty inopportune jinxed traumatised tormented out of sorts abused calamitous misfortunate suffering tortured forsaken in great need stricken very poor doomful ailing infelicitous vacuous faded unsettled ill in need moneyless uninspired lank opprobrious hapless hoary haggard pitiful hard luck ill-starred bankrupt plagued agonized down-and-out ashamed peaky disgraceful despaired disillusioned gaunt bedraggled degenerated stone broke miserably poor injured catastrophic financially poor skinny despairing down on luck indigent goner angstful lethargic sickly ill-omened at end of one's rope empty in despair dysphoric on one's knees dirt poor fatigued alienated difficult demented afflicting agonizing disadvantageous unworthy poverty-stricken anorexic beggarly down and out agonised beggared burdened in pain angst-ridden high-strung unwholesome in turmoil agonising like a chicken with its head cut off

Tính từ

Opposite of denotes the effectiveness or dominance of a particular action
ineffective ineffectual lethargic incapable inefficacious lackluster lacklustre useless apathetic dilatory dormant draggy dull exhausted indifferent indolent inert laggard languorous lazy listless passive somnolent spiritless unmoving without energy inactive idle unable

Tính từ

Opposite of having great impact or influence
uninfluential insignificant inconsequential infinitesimal irrelevant trivial pointless trifling immaterial inconsiderable meagre meager meaningless paltry petty purportless anonymous casual feeble flimsy frail helpless inappreciable incompetent inept inexpert infirm minimal nameless obscure senseless uncelebrated unfit unknown unqualified unskilled unskillful light lightweight little nonessential nugatory slight small unsubstantial nondescript unimportant faint languid low muffled quiet soft unimpressive

Tính từ

Opposite of incapable of going wrong or being misused
flawed risky fallible erratic unstable unreliable undependable iffy inconclusive equivocal ambiguous speculative questionable error-prone untrustworthy unpredictable errable uncertain errant doubting indefinite unconfident undecided

Tính từ

Opposite of convincing or effective
nonaggressive peaceful weak

Tính từ

Opposite of based on, or displaying, common sense
groundless baseless unjustified Unsupported unfounded unsubstantiated unwarranted illogical nonsensical unreasoned fallacious foundationless incoherent unjustifiable inconsequential questionable sham untrue bogus specious unrecognised unrecognized weak erroneous invalid unrealistic wrong illegitimate spurious untrustworthy false inconsequent misguided unreliable gratuitous imaginary nonrational unconvincing unsound causeless illusory uninformed unproven unreasonable irrational nonvalid uncorroborated unsupported ill-founded uncalled for uncalled-for without basis without cause without explanation without foundation without justification without reason not backed up

Tính từ

Opposite of having, showing, or done with good judgment or sense
foolish imprudent silly unwise irrational stupid thoughtless idiotic rash reckless careless dumb inane outrageous simpleminded unsound farcical featherheaded hasty ignorant mindless trivial doltish frivolous heedless inept senseless asinine inconsiderable indiscreet nonsensical thickheaded unintelligent fatuous foolhardy imbecilic inconsequential inexpedient unreasonable dippy feebleminded gormless harebrained implausible injudicious uncareful unimportant daft illogical inadvisable lunkheaded ridiculous tomfool trifling unrealistic absurd dim fanciful impolitic incautious insignificant witless brainless inattentive irresponsible preposterous simple tactless worthless dim-witted half-baked half-witted ill-advised ill-considered ill-judged short-sighted weak-minded wasteful inefficient improvident

Tính từ

Opposite of being in effective or current operation, action, or force
inoperative dormant inactive broken deactivated dead decommissioned defective ineffective ineffectual inefficacious inert inoperable kaput kaputt nonactivated nonactive nonfunctional non-functional nonfunctioning nonoperating nonoperational nonoperative unserviceable unusable unworkable useless abeyant disinterested quiet unmovable

Từ gần nghĩa

efficaciously efficaciousness efficacities efficacity efficacy efficiencies efficacies effeteness effetely effete effervescently effervescent

Đồng nghĩa của efficacious

efficacious Thành ngữ, tục ngữ

English Vocalbulary

Trái nghĩa của efficient Trái nghĩa của efficiency Trái nghĩa của efficacy Trái nghĩa của efficacity Trái nghĩa của efficaciousness Trái nghĩa của efficiently Trái nghĩa của efficaciously Trái nghĩa của efficiencies Trái nghĩa của efficacies Trái nghĩa của efficacities

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Copyright: Proverb ©

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