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Word of the Day Tuesday, June 9, 2026

lackluster

/ˈlækˌlʌstər/ adjective · British & US
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What does lackluster mean?

adjective

Lacking brightness or interest; dull and unimpressive. Lacking energy or enthusiasm; uninspired.

Example

"The lackluster performance of the team was disappointing to their fans."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for lackluster

Antonyms of lackluster

Rhymes with lackluster

Etymologically related