lacklustre
1. [ adjective ] lacking brilliance or vitality
Synonyms: lusterless lustreless lackluster
Examples:

"a dull lackluster life" "a lusterless performance"

Related terms: dull
2. [ adjective ] lacking luster or shine
Synonyms: lusterless lustreless lackluster
Examples:

"staring with lackluster eyes" "lusterless hair"

Related terms: dull
Similar spelling:   lackluster