- lackluster, lacklustre, lusterless, lustreless - lacking brilliance or vitality; "a dull lackluster life"; "a lusterless performance"
Antonym: lively (indirect, via dull)
- lackluster, lacklustre, lusterless, lustreless - lacking luster or shine; "staring with lackluster eyes"; "lusterless hair"
Antonym: bright (indirect, via dull)