Synonyms for subordinate

underling, junior, subaltern, assistant, helper, aide; see also assistant.

inferior, junior, smaller, sub, low, baser, underaverage, insignificant, subnormal, paltry, playing second fiddle, not hold a candle to, not up to snuff, below par, below the mark, unequal to, not comparable to, in the shade, nothing to brag about, at a low ebb, lower, minor, depending on, lower in rank, subject, subservient, being a satellite, submissive, subsidiary, accessory, auxiliary, ancillary; see also secondary 1, under 2, 3.

Antonyms superior*, higher, excellent.