| 1. lackluster [ Synonyms: lacklustre, lusterless, lustreless] | |
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Lacking brilliance or vitality
"a dull lackluster life"; "a lusterless performance";
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| 2. lackluster [ Synonyms: lacklustre, lusterless, lustreless] | |
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Lacking luster or shine
"staring with lackluster eyes"; "lusterless hair";
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