Synonyms of blah

1 Syllable

bad, dim, neb, bland, mild, dims, drab

2 Syllables

prosaic, yawner, banal, singsong, blandest, ho-hum, dimmest, hohum, dimmer, badder, drearier, boring, dreary, sleepy, worn-down, fagged, jaded, nodding, cornfed, languid, proser, sluggish, sombre, blander, draggier, stretchy, milder, humdrum, draggy, prosy, mildest, mopish, dozy, drabbest, prosier, drabber, sing-song, plodding, baddest, snoozy, mooney, cruddy, triper, dozier, mater, listless, matest, sleepier

3 Syllables

hicksville, insipid, incurious, pedestrian, banausic, tired-out, lusterless, noplace, lackluster, slumbery, languorous, sleepyhead, slumberous, phlegmatic, somnific, mothballed, demulcent, dullsville, tasteless, samely, lymphatic, unvaried, lethargic, toneless, spiritless

4 Syllables

unexciting, apathetic, inactive, monotone, somniferous, somnifacient, lenitive, uninflected, monotonous, sleepyheaded, characterless

5 Syllables

unemotional, unexcitable, unpleasurable, unstimulating, hebetudinous