Synonyms of lusterless

1 Syllable
blah, blind, dark, flat, drab, dim, dead, dry
2 Syllables
drabbest, prosaic, yawner, drabber, zero, proser, vapid, faded, sombre, leaden, laid-back, muddied, matte, ho-hum, boring, draggy, muted, washed-out, nothing
3 Syllables
anemic, pabulum, lackluster, vanilla, obscure, opaque, colorless
4 Syllables
pokerfaced, nontranslucent, nontransparent, expressionless, uninspired
7 Syllables
unimaginative