Synonyms of prosaic

1 Syllable

tame, blah, clean, flat, dead, dull, yawn, drab, dry

2 Syllables

plebeian, zero, tedious, banal, singsong, ho-hum, snoozer, trite, square, starcher, hohum, boring, workday, lowlier, sombre, humdrum, prosy, prose, lowly, prosier, lowliest, factual, sing-song, vapid, triter, diddly, common, tritest, ruber, actual, hackneyed, stale, nothing

3 Syllables

insipid, bromidic, irksome, day-to-day, lifeless, vanilla, whitebread, practical, stuporous, pedestrian, commonest, subsolar, terrestrial, white-bread, lusterless, pabulum, lackluster, familiar, unwashed, literal, nowhere, uncomplex, routine, samely, unvaried, workaday, mundane, toneless, colorless

4 Syllables

unpretentious, commonplace, proletarian, unexciting, stereotypic, warmed-over, overused, dime-a-dozen, unromantic, uncelestial, uninspired, ordinary, readymade, matter-of-fact, practicable, uninflected, monotonous, everyday, unenjoyable, uninspiring, pragmatical, uneventful, characterless

5 Syllables

institutional, undistinguished, stereotypical, platitudinal, garden-variety, unexceptional, unimpressive, platitudinous, unnoteworthy, isolationist, uninteresting, unsentimental, unimpassioned, unidealistic, unentertaining, unmotivated

7 Syllables

unimaginative