Thesaurus
deficient
Synonyms and Antonyms of deficient
1
lacking some necessary part
2
falling short of a standard
bad, bastard, bush, bush-league, crummy (also crumby), dissatisfactory, ill, inferior, lame, lousy, off, paltry, poor, punk, sour, suboptimal, subpar, substandard, unacceptable, unsatisfactory, wack [slang], wanting, wretched, wrong
abysmal, atrocious, awful, bitchin' [slang], brutal, damnable, deplorable, detestable, disastrous, dreadful, execrable, gnarly [slang], horrendous, horrible, pathetic, stinky, sucky [slang], terrible, unspeakable
bum, cheesy, coarse, common, crappy [slang], cut-rate, junky, lesser, low-grade, low-rent, mediocre, miserable, reprehensible, rotten, rubbishy, second-rate, shoddy, sleazy, trashy
inadequate, insufficient, lacking, meager (or meagre), mean, miserly, niggardly, scanty, shabby, short, skimp, skimpy, spare, stingy
miscreant, scurrilous, villainous
counterfeit, fake, phony (also phoney), sham
below par (or under), from hunger
A1, bang-up, banner, boss [slang], capital, choice, crackerjack, dandy, divine, excellent, exceptional, fabulous, fine, first-class, first-rate, grand, great, groovy, heavenly, high-test, jim-dandy, keen, marvelous (or marvellous), mean, neat, nifty, noble, par excellence, perfect, premium, prime, sensational, slick, splendid, stellar, sterling, superb, superior, superlative, supernal, swell, terrific, tip-top, top, top-notch, unsurpassed, wonderful
better, exceptional, fancy, high-grade, special, sufficient
average, borderline, fair, mediocre, middling, minimal, so-so, unexceptional
acceptable, adequate, all right, decent, fine, OK (or okay), passable, respectable, satisfactory, standard, tolerable
3
not coming up to an expected measure or meeting a particular need
inadequate, insufficient, lacking, low, scarce, short, shy, wanting
abundant, ample, bounteous, bountiful, copious, generous, liberal, plenteous, plentiful, plentitudinous
enlarged, expanded, supplemented
abounding, overflowing, teeming
big, considerable, hefty, jumbo, king-size (or king-sized), large, largish, oversize (or oversized), sizable (or sizeable), substantial, super
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See words that rhyme with deficient Dictionary: Definition of deficient Medical Dictionary: Definition of deficient Spanish Central: Translation of deficient Nglish: Translation of deficient for Spanish speakers Britannica English: Translation of deficient for Arabic speakers
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