Synonyms for Inferior:

adj.

bad (adjective)
arrant, bad, baneful, black, defective, detrimental, displeasing, faulty, inadequate, inadvisable, invalid, irremediable, poor, unfavorable, unpleasant, unsatisfactory, unsound, vile, wretched, wrong, ill-suited.
cheap (adjective)
cheesy.
deficient (adjective)
insufficient.
inferior (adjective)
below, dependent, junior, lesser, subject, under, second, subordinate, subservient, underling.
less in rank, importance (adjective)
bottom, junior, less, lesser, lower, menial, minor, second, secondary, subordinate, under.
lousy (adjective)
crummy.
low (adjective)
lower.
poor, second-rate (adjective)
average, bad, base, common, indifferent, lemon, low-grade, mean, mediocre, substandard, tawdry, worse, wretched.
servile (adjective)
acquiescent, attending, biddable, browbeaten, complaisant, deferential, devoted, docile, downtrodden, dutiful, feudal, groveling, humble, menial, obedient, servile, slavish, submissive, subordinate, subservient, willing, yielding, Genuflecting, Subjected, kowtowing, curtsying.
trashy (adjective)
low quality.
unacceptable (adjective)
deficient, inadmissible, inappropriate, insufficient, intolerable, unacceptable, unsuitable, untenable, inadequate, unsatisfactory.
unimportant (adjective)
small.

n.

above, born, chief, elite, genteel, good, minor, A-list, B-list. ill at ease, inhibited, insecure, lost, minor league, over, retiring, shy, tentative, timid, uncertain, smalltime, unsure of yourself. average, better, disappointing, limited, low quality, mean, shabby, undistinguished. caste, echelon, grade, level, position, rank, ranking, status, stratum, tier. inferior (noun)
also-ran, bad, base, bottom, bum, cardboard, cheap, cheapjack, cheesy, chintzy, coarse, coarsened, commercial, common, crummy, deficient, deplorable, dud, execrable, failure, flimsy, flop, has-been, humble, indifferent, junior, junior-grade, lemon, less, loser, low, low-grade, low-level, lower, lower-ranking, lowly, mediocre, middle-level, miserable, modest, nonstandard, nonstarter, outclassed, petty, poor, punk, reject, ropey, ropy, scrawny, scrubby, second, second fiddle, second-rate, secondary, shoddy, sleazy, small, stunted, subaltern, subordinate, subscript, substandard, tawdry, third-rate, tinny, turkey, underachiever, underdog, underling, utility, utility-grade, woeful, wretched, second class, second banana, born loser.
person of lesser rank, importance (noun)
subaltern, subject, underling, second banana.
subordinate (noun)
underling.
worse (noun)
degenerate, extraordinary, impoverished, pale, retrogressive, worse, worst, for the worse, worst of all.

Other synonyms:

low, low quality, undistinguished, smalltime. minor, minor league. shabby. petty
petty.
second-class
second class.
unsatisfactory
disappointing.
worse
degenerate, impoverished, pale, retrogressive, worse, worst.
Other relevant words:
above, average, base, born, bottom, bum, cardboard, caste, cheap, cheapjack, cheesy, chief, chintzy, coarse, coarsened, commercial, common, crummy, degenerate, deplorable, disappointing, echelon, elite, execrable, extraordinary, flimsy, genteel, good, grade, impoverished, indifferent, inhibited, insecure, junior-grade, less, level, limited, lost, low, low quality, low-grade, low-level, lower, lower-ranking, lowly, mean, mediocre, middle-level, minor, minor league, miserable, modest, nonstandard, outclassed, over, pale, petty, position, punk, rank, ranking, retiring, retrogressive, ropey, ropy, scrawny, scrubby, second-rate, secondary, shabby, shoddy, shy, sleazy, small, status, stratum, stunted, subscript, substandard, tawdry, tentative, third-rate, tier, timid, tinny, uncertain, undistinguished, utility, utility-grade, woeful, worse, worst, A-list, smalltime, B-list.

Usage examples for inferior

  1. Wood of inferior cut. – Seasoning of Wood by Joseph B. Wagner
  2. For the words 'head' and 'heel' point out only what is superior and what is inferior – Christology of the Old Testament: And a Commentary on the Messianic Predictions, v. 1 by Ernst Wilhelm Hengstenberg