67 synonyms for inferior such as minion, below someone, a load of pants, junior, and menial. Inferior is an adjective, and its antonyms are superior and senior.
Ancillary, below someone, beneath someone, humble, junior, lesser, lower in rank, lower in status, lower-ranking, lowly, menial, minor, not so important, not very important, second-class, second-fiddle, secondary, subordinate, subservient, subsidiary, and under someone's heel.
A load of pants, awful, bad, crummy, deficient, deplorable, dire, disagreeable, downmarket, dreadful, duff, farkakte, flawed, godawful, grotty, imperfect, indifferent, leaving much to be desired, lousy, low-grade, low-quality, mediocre, not up to much, not up to snuff, pants, poor, poxy, ropy, rotten, rubbish, second-rate, shabby, shoddy, substandard, the pits, third-rate, unsatisfactory, unsound, and wretched.
Bitch, junior, menial, minion, subordinate, and underling.