lackluster

[ lak-luhs-ter ]
/ ˈlækˌlʌs tər /

adjective

lacking brilliance or radiance; dull: lackluster eyes.
lacking liveliness, vitality, spirit, or enthusiasm: a lackluster performance.

noun

a lack of brilliance or vitality.
Also especially British, lack·lus·tre.

Origin of lackluster

First recorded in 1590–1600; lack + luster1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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