Antonyms for noble

all:

lowborn, ignoble.

aristocratic:

unsophisticated, servile, lowly, unrefined, ignoble, unaristocratic, undignified.

dignified, excellent:

mean, dishonorable, insignificant, malevolent, usual, modest, unsympathetic, bad, poor, severe, ordinary, normal, unimpressive, inhumane, unkind, humble, common, stupid, unknown, unextraordinary, low, unimportant.

noun:

venal, rascally, repulsive, blamable, scoundrelly, ordinary, low-grade, coarse, subordinate, debauched, atrocious, petty, unimportant, unworthy, narrow, meretricious, blameworthy, degraded, immoral, obscure, illegitimate, small-minded, censurable, debased, depraved, measly, knavish, humiliating, culpable, perverted, offensive, trifling, undignified, perverse, dissipated, lower class, unfair, reactive, plain, squalid, run-of-the-mill, dishonest, middling, degrading, unjust, second-rate, libertine, crooked, roguish, corrupt, loose, commonplace, minor, reprehensible, average, profligate, unimposing, dastardly, modest, degenerate, crude, shabby, unprepossessing, mediocre, trivial, little, terrible, beggarly, blackguardly, insignificant, awful, dissolute, ugly, demoralized, abominable, junior, unsung, decadent, puny, criminal, uncelebrated, reprobate, unheroic.

person:

noblewoman, lady.