Từ trái nghĩa của useless

Từ đồng nghĩa: fruitless, ineffectual, worthless,

Từ trái nghĩa: useful,

useful effective usable useable beneficial helpful valuable appropriate handy meaningful gainful potent productive deadly functional utilisable utilizable favourable favorable operable workable exploitable profitable rewarding ultrapractical constructive fruitful practicable purposive advantageous applicable feasible sensible efficacious operational working worthwhile invaluable practical purposeful serviceable effectual efficient positive proper successful virtuous significant competent able important operant capable worthy strong viable expedient ultraefficient consequential fit expert excellent hopeful functioning skilful skillful operative sufficient good material considerable serious qualified valid skilled ultracompetent operating running dexterous optimistic possible dextrous experienced adequate reasonable rational logical wise powerful substantial deep relevant eventful dynamic proficient telling weighty active encouraging sententious adept remunerative prolific full abundant major suitable copious complete in working order money-making enough justifiable graceful brisk precious fulfilling big worthful generative consummated flourishing prosperous thriving meritorious gratifying momentous profound mighty puissant lucky careful responsible enormous ready formative desirable necessary essential worth it worth the effort decided determined planned deliberate tenable believable realistic fecund fertile of use lively dominant reliable shy plentiful fulfilled busy occupied interesting satisfying heavy fitting pithy on entire filled raised replete promising to the point earth-shattering going auspicious having an important effect carrying great weight alive bright propitious well-functioning up and running in effect in operation in use in action ready for action golden rosy likely-looking

competent capable qualified skilled accomplished adept proficient expert knowledgeable skilful skillful adequate good talented brilliant habile merited able experienced polished authorised authorized excellent satisfactory adroit great reasonable acceptable equipped masterly decent dynamite suitable appropriate gifted trained effective efficient savvy virtuoso dexterous dextrous deft professional respectable consummate master masterful ace crackerjack fine handy virtuosic admirable okay standard tolerable passable OK sure-handed facile fit all right clever practised practiced inoffensive innocuous superior ultracompetent suited fitted empowered up to it presentable impressive complete outstanding successful marvellous splendid sharp seasoned worthy magnificent ingenious deadly formidable versed mean cool veteran artful wizard wicked smart ready nifty professed first-class compleat marvelous

sensible wise meaningful judicious prudent sagacious sage sane sapient significant sound intelligent rational reasonable useful valid worthwhile logical

valid binding authentic authorised authorized lawful genuine legal accredited official authenticated legitimate licenced licensed approved legalised legalized ratified acceptable formal sanctioned authoritative validated verified accepted certifiable certified contractual credible legit proper bonafide constitutional meaningful recognised recognized legally acceptable legally binding signed and sealed good

effective effectual persuasive powerful advantageous compelling convincing potent useful impactful influential productive profitable strong good moving cogent coherent pertinent striking worthwhile ambitious fruitful

essential indispensable necessary needed needful required important vital requisite useful imperative crucial critical compulsory core obligatory integral mandatory key basic must-have paramount elementary rudimentary fundamental significant consequential pivotal prerequisite all important high-priority all-important vitally important reasonable desired called for wanted utilized central chief beneficial grounded loved compulsatory utilised appropriate necessitous recommended exigent demanded cardinal valuable compelling urgent worthwhile incumbent de rigueur of the utmost importance of great consequence acute quintessential

achievable attainable doable feasible possible realisable realizable resolvable soluble workable

good brilliant excellent fine authentic exceptional exquisite great nice perfect choice favourable favorable knockout superb beautiful genuine splendid gratifying respected veritable credible lovely sublime accomplished delicate real valued legitimate sterling enjoyable reputable tasteful worthy bonafide delightful impeccable wonderful fancy marvellous marvelous superior unequalled unequaled eye-catching first-class first-rate high-grade high-quality super-excellent top-notch well-established premium magnificent outstanding sensational terrific fantastic fabulous super awesome top-quality top quality impressive divine very good unrivalled unparalleled elite top-grade sound exemplary unrivaled unsurpassed remarkable best top-class incredible grand better extraordinary spectacular optimal resplendent flawless stunning phenomenal refined elegant incomparable matchless world-class amazing high quality peerless polished illustrious tip-top stellar top-of-the-range top-shelf high-calibre five-star top-level top-drawer good-quality first class finest top-of-the-line high-caliber high-class luxury of a high standard happy trustworthy friendly new uncorrupt undecayed clean competent wealthy pleasant rich swell cracking superfine smashing supercalifragilisticexpialidocious ripping spiffing A-OK

decent honorable honourable noble upright worthy

innocuous inoffensive agreeable pleasant

backboned firm hard strong tough macho

informative

grave real reasonable sad sensible serious solemn tragic

uselesser uselessest uselessly uselessness uselessnesses useless things use inexpertly useful to usefulnesses usefulness usefully usefullest