Synonyms of ho-hum

1 Syllable
soft, mild, plain, slight, limp, flat, weak, bland, drab, thin, dead, dry, tame, blah
2 Syllables
prosaic, pointless, yawner, snoozer, prosier, trite, tired, sing-song, mildest, proser, beige, tedious, vapid, nebbish, stupid, banal, sombre, singsong, arid, feeble, milder, tenuous, dragger, prosy, subdued, stale, nothing
3 Syllables
anemic, lifeless, insipid, lackluster, watery, samely, unvaried, mundane, jejune, inane, toneless, innocuous, driveling, spiritless, weariful, colorless, demulcent, lusterless
4 Syllables
lenitive, commonplace, uninflected, monotonous, wearisome, boresome, ordinary, wishy-washy, tiresome, characterless
5 Syllables
enervative
7 Syllables
unimaginative