Synonyms of lackluster

1 Syllable
dark, dims, flat, drab, dim, dead, dry, blah, blind
2 Syllables
drabbest, prosaic, yawner, drabber, zero, dimmest, proser, pallid, vapid, laid-low, sickish, faded, sombre, mater, leaden, laid-back, matte, dimmer, ho-hum, sickly, boring, draggy, muted, matest, nothing
3 Syllables
half-hearted, pabulum, vanilla, obscure, unsightly, spiritless, halfhearted, colorless, lusterless
4 Syllables
expressionless, pokerfaced, uninspired
5 Syllables
unanimated
7 Syllables
unimaginative