Synonyms of dime-a-dozen

1 Syllable
starch, clichéd
2 Syllables
lowly, plebeian, prosaic, normal, trite, corny, middling, worn-out, mainstream, starcher, humdrum, obvious, hackneyed, stale
3 Syllables
widespread, typical, vanilla, mediocre, workaday, mundane, natural, threadbare, familiar, pedestrian, prevalent, colorless
4 Syllables
commonplace, customary, conventional, ordinary, uneventful, characterless, stereotyped, run-of-the-mill
5 Syllables
uninteresting, matter-of-course, middle-of-the-road, unexceptional, unnoteworthy