Đồng nghĩa của to no effect

ineffective futile ineffectual inefficacious in vain non-successful unavailing unsuccessful useless vain abortive failed fruitless inadequate nugatory pointless profitless to no avail unproductive unprofitable bootless for nought Sisyphean to no purpose worthless idle empty barren otiose valueless unrewarding purposeless inefficient unfruitful no dice unfructuous inept impotent of no use trivial feeble lame null of no avail inutile unable not worth the candle paltry indecisive hollow sterile thwarted wasted senseless thankless trifling exhausted impractical insufficient unremunerative weak unavailable forceless withered neutralised bungled no use spineless innocuous neutralized void on a treadmill inoperative defeasible inferior limited anticlimactic failing miscarried save one's breath unimpressive bungling not effective emasculate no go no way slack-spined scant a dead loss without success needless nonproductive uncreative slow lazy blocked wasteful unyieldly unprolific spinning one's wheels wild goose chase for naught gainless miserable junky chaffy no-good insignificant unsalable of no earthly use inconsequential good-for-nothing forlorn feckless hamstrung inexpedient counterproductive powerless incompetent null and void invertebrate hopeless doomed unimportant lost unsatisfactory unsubstantial unreal impracticable resultless unneeded delusive without rhyme or reason no good to gundy meaningless aimless unusable foiled flat inactive irrelevant slow-moving quiet stagnant slack sluggish frustrated insubstantial dead petty waste depressed frivolous nothing nonfunctional dry dull baulked unfunctional defeated unpurposed footling balked scrap dysfunctional purportless vapid negligible deficient broken defective lacklustre unhelpful lackluster poor trashy wretched boring bogus ignoble mediocre abandoned unessential cheap unworkable misfired uneconomical uninteresting disastrous stale expendable tedious botched inane measly inoperable unnecessary dreary monotonous slight drab humdrum piddling arid inert static stupid unsound no-account unsuitable pathetic motiveless pants vacant banal lifeless no good time-wasting redundant superfluous not busy puny weary sleepy casual heavy enervated abject drossy despicable contemptible base uneconomic ne'er-do-well frustaneous unlucrative not fruitful ruined spoiled unserviceable throwaway absurd nonsensical stillborn nonpractical groundless goalless spoilt unuseful stymied insipid niggling picayune chicken minute nominal piddly pimping piffling inconsiderable peanut messed up insane fatuous no-win misleading unnotable shuck delusory hindered stonewalled obstructed objectless baseless unstreamlined not useful cramped of no value vague uncommunicative rambling unfounded not needed uninspiring nongermane going nowhere not a prayer in vicious circle drifting wandering dormant lacking foundation commonplace adrift de minimis Mickey Mouse disorganized without grounds not serious without foundation fouled up unstimulating prosaic not pertinent invalid unwieldy unreasonable vacuous unfilled clear poxy wanky silly rubbishy nickel-and-dime mindless of no benefit unmeaning awkward cumbersome rubbish cancelled nullified rescinded revoked two a penny not much cop unsystematic profligate disorganised unoptimized bad nonvalid non-viable nonbinding terminated discontinued a dime a dozen uninformative flimsy junk unfit not proper unadvantageous inconsistent not good enough ill-suited incompatible inapt lousy improper inappropriate unsuited fallow not worth a hill of beans tame faulty malfunctioning canceled not binding badly arranged wearisome disadvantageous damaged tiresome uneventful busted down out not in force wearying ho-hum unexciting ponderous disabled kaput tiring plodding pedestrian helpless lethargic wonky knackered numbing mind-numbing jading unprogressive colorless stodgy doesn't work broken-down one-horse drudging jejune dusty old colourless leaden monochromatic stuffy tired out of kilter out of commission acting up in disrepair not in working order not functioning conked out not working non-functioning as dry as dust dead-and-alive impuissant incapable frail effete handcuffed paralyzed hog-tied paralysed slothful burned out slumberous torpid fatigued languorous slow-going dilatory unenergetic lymphatic somnolent lackadaisical drowsy listless debilitated without energy slow-paced languid sedentary somnific snoozy spiritless flagging spent passive nerveless infirm incapacitated paper tiger high and dry gutless prostrate enfeebled dud crippled infecund past it

ineffectually in vain unsuccessfully vainly without success fruitlessly profitlessly to no avail to no purpose unproductively with no result

to no extent tonograph tonographs tonometer tonometers to no purpose to no degree to no avail tonnes tonne tonnages tonnage