Lackluster may describe things that are dull, but the word itself is no yawn. In its earliest uses in the early 17th century, lackluster (also spelled lacklustre) usually described eyes that were dull or lacking …

Add to word list lacking energy and effort: a lackluster performance (Definition of lackluster from the Cambridge Academic Content Dictionary © Cambridge University Press)

LACKLUSTER definition: lacking lack brilliance or radiance; dull. See examples of lackluster used in a sentence.

Definition of lackluster adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. lacking brilliance or radiance; dull: lackluster eyes. 2. lacking liveliness or vitality: a lackluster performance. n. 3. a lack of brilliance or vitality. Also, esp. Brit.,lack′lus`tre.

Oct 11, 2025 · lackluster (countable and uncountable, plural lacklusters) (American spelling) (uncountable) Lack of brightness or points of interest. (countable) A person or thing of no particular …

Dull, uninspiring, or lacking in vitality or brilliance. "The team's lackluster performance resulted in a disappointing loss." Detailed meaning of lackluster. It denotes a lack of enthusiasm, energy, or …

WordReference Random House Unabridged Dictionary of American English © 2024 lack•lus•ter (lak′ lus′tər), adj. lacking brilliance or radiance; dull: lackluster eyes. lacking liveliness, vitality, spirit, or …

Learn the meaning of Lackluster with clear definitions and helpful usage examples.

Apr 7, 2024 · "Lacklustre" is the British English spelling of a word meaning lacking in vitality, force, or conviction; uninspired or uninspiring. On the other hand, "lackluster" is the American English version …