ISEE/SSAT Vocabulary Builder›Words›L›lackluster
ISEE/SSATmedium
lackluster
showing little energy, brilliance, or enthusiasm
Synonyms
- dull
- unimpressive
- mediocre
Antonyms
- brilliant
- impressive
- vibrant
lackluster in a sentence
Critics called the sequel lackluster compared to the excitement of the first film.
After such a lackluster opening statement, the debater struggled to win back the judges' attention for the rest of the round.
Where it comes from
From lack + luster (Old French lustre 'brightness')
Memory hook
LACKLUSTER literally means missing shine — a dull, unpolished performance.
Read it in context
- The Queen's Paper Roads History
Practice lackluster in the app