Same word as ignoble:

abject, base, baseborn, coarse, common, contemptible, corrupt, craven, dastardly, degenerate, degraded, despicable, disgraceful, dishonorable, heinous, humble, infamous, inferior, lewd, low, mean, menial, modest, ordinary, peasant, petty, plain, plebeian, poor, rotten, scurvy, s