lackluster   (Sound)

The lackluster has 2 Senses.

• lusterless, lacklustre, lackluster, lustreless
• lacking brilliance or vitality; "a dull lackluster life"; "a lusterless performance"
• 輝きまたは生命力を欠く

• lusterless, lacklustre, lackluster, lustreless
• lacking luster or shine; "staring with lackluster eyes"; "lusterless hair"
• 光沢または輝きが不足するさま