What is the opposite of defective?

Need antonyms for defective? Here's a list of opposite words from our thesaurus that you can use instead.

Contexts ▼▲ Opposite of faulty, not working or functioning as expected Opposite of characterized by low quality or standard Opposite of not up to the required standard or quality Opposite of not properly working or having the desired effect Opposite of faulty or not meeting acceptable standards or use Opposite of mistaken, faulty, or in error Opposite of unable to be supported or justified Opposite of rickety in structure and easily damaged Opposite of not based on sound or reliable evidence or reasoning Opposite of not physically functioning or working Opposite of lacking in veracity, accuracy or truth Opposite of mentally deficient or underdeveloped Opposite of displaying a lack of sensibleness or judgment Opposite of lacking exactness and accuracy of expression or detail … more ▼ ▲ Adjective ▲ Opposite of faulty, not working or functioning as expected perfect working faultless flawless impeccable intact whole adequate ample complete enough excellent sound strong sufficient unbroken well undamaged entire untouched unharmed unimpaired uninjured unblemished unhurt unscathed comprehensive full unmarked total unspoiled unspoilt unsullied scatheless unmarred virgin undefiled pristine integral solid unflawed unmutilated unviolated plenary unsevered grand together inviolate all in one piece accurate infallible fixed correct reliable healthy true OK right exact valid honest precise factual veracious errorless proper certain definite just happy unerring finished sure dependable pure repaired mended real substantiated genuine detailed abundant superfluous thorough exhaustive constant clear careful divine developed moral unimpeachable superhuman omniscient uniform foolproof sturdy stable operative trusty operational secure useful effective viable steady practical functioning steadfast justifiable unfailing up to par immaculate fail-safe defectless irreproachable spotless up to snuff up to standard tried-and-true indefectible never-failing up to scratch more ❯ Adjective ▲ Opposite of characterized by low quality or standard excellent exceptional outstanding premium extraordinary superior fine elite flawless good marvelousUS marvellousUK top notable perfect premier remarkable stellar sublime super superb accomplished admirable consummate peerless eminent prime star capital sterling unequaledUS unequalledUK illustrious unparalleled unrivalledUK unrivaledUS matchless prestigious noted noteworthy choice superlative cracking unsurpassed nonpareil sensational splendid terrific wonderful worthy decent respectable elegant polished refined first-class first-rate good quality good-quality high-caliber high-calibre high-quality industry leading top drawer top-notch top-quality world-class high-grade supreme great quality high-class exquisite brilliant transcendent magnificent enviable incomparable amazing impressive grand fancy divine phenomenal awesome tremendous high incredible spectacular stunning beautiful estimable glorious applaudable fabulous invaluable laudable bumper gilt-edged fantastic desirable dynamite mind-blowing strong powerful keen potent enhanced acute exo sik de luxe a cut above sharp sure sensitive robust intense sharpened commanding improved dominant dynamic steady powerhouse high-level well-developed well-honed finely honed finely tuned high-powered more ❯ “I have seen some excellent handiwork in my time, but this guitar is one of the finest I have ever come across.” Adjective ▲ Opposite of not up to the required standard or quality acceptable adequate satisfactory suitable normal okay tolerable appropriate decent fine competent good unexceptionable valid fair respectable solid alright desirable palatable fit comfortable sufficient fitting ok reasonable sufficing agreeable correct serviceable sound fairish presentable average goodish passable unobjectionable all right bog-standard fairly good fair-to-middling good enough in order middle-of-the-road not bad OK pretty good quite good run-of-the-mill so-so sufficiently good totally fine up to par up to scratch up to snuff up to standard up to the mark within acceptable limits standard superior nice healthy pleasing O.K. copacetic copasetic “Although its taste is barely acceptable, these meager rations were all the station dared supply.” Adjective ▲ Opposite of not properly working or having the desired effect operative working functional functioning operable operant operating operational running active on going usable alive live in working order moving serviceable living up and running able to function in force effective productive in full swing in use in process Adjective ▲ Opposite of faulty or not meeting acceptable standards or use usable in working order fixed working repaired restored rectified corrected mended sorted rebuilt refitted remedied righted going whole back together in order patched up put right back in working order restored to working order Adjective ▲ Opposite of mistaken, faulty, or in error right appropriate correct perfect proper suitable becoming befitting decorous faultless felicitous fit fitting flawless genteel happy impeccable meet seemly accurate O.K. true good in order Adjective ▲ Opposite of unable to be supported or justified defensible excusable forgivable justifiable pardonable venial justified Adjective ▲ Opposite of rickety in structure and easily damaged sturdy durable heavy robust solid sound stout strong substantial Adjective ▲ Opposite of not based on sound or reliable evidence or reasoning sound logical rational reasonable valid well-founded well-grounded balanced sane strong uncrazy certain compos mentis firm honest just perfect protected reliable safe secure stable steady sure solid sturdy defensible unarguable supportable uncontestable justified tenable verifiable sensible watertight Adjective ▲ Opposite of not physically functioning or working beneficial effective fruitful important meaningful productive profitable sensible valuable worthwhile useful worthy precious significant consequential worthful helpful Adjective ▲ Opposite of lacking in veracity, accuracy or truth reliable accurate dependable responsible infallible strong trustworthy proven reputable respectable eminent good sound decent notable prominent sure excellent honest righteous true established reputed virtuous distinguished fair sincere trusted attested legitimate recognisedUK recognizedUS stable creditable honourableUK honorableUS renowned truthful esteemed respected acclaimed faithful solid worthy highly regarded well known well-known well respected of good repute tried and trusted “She's my best friend and she vowed to me that she had received this intelligence from a reliable source.” Adjective ▲ Opposite of mentally deficient or underdeveloped accelerated active bright clear cognizant intelligent light quick smart Adjective ▲ Opposite of displaying a lack of sensibleness or judgment judicious prudent sagacious sage sane sapient sensible sound wise Adjective ▲ Opposite of lacking exactness and accuracy of expression or detail accurate exact precise truthful perfect true ultraprecise definite determinate veracious particular right thorough unambiguous factual flawless judicious proper authentic concrete convincing definitive errorless irrefutable pinpoint rigid strict unmistakable faultless precision reliable scrupulous veridical conclusive explicit methodical undeniable absolute distinct literal undisputed unerring correct defined genuine infallible solid unrefuted dead realistic scientific unquestionable valid bang on clear-cut dead-on fact-based spot on spot-on on the mark on the nail “In addition, the effects of a particular treatment can be more precisely calculated and evaluated with accurate measurements.” Find more words! 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Sentences with the word defective Words that rhyme with defective What is the plural of defective? What is the adverb for defective? What is the adjective for defective? What is the noun for defective? Translations for defective Use our Antonym Finder Nearby Words defectively defectiveness defectless defector defectors defects defections defection defecting from defecting defectible defect from 9-letter Words Starting With d de def defe defec defect defecti defectiv