A sentence with lackluster?

Lackluster means lacking radiance, dull. Cindy's lackluster complexion made her strange and unattractive to many men because she was in Florida. She was not beautifully bronze or even red like most...

This question demonstrates your lacklustre efforts at using a dictionary.

lackluster means lacking brillance, dull (The actor gave a lackluster performance in his latest film.) Google the word to get more info.

Johnny had a lackluster performance in his last game.

When it has a subject, verb, punctuation, capitalization, a predicate, and a complete thought. A sentence is a sentence when it is handed down by a judge (or a magistrate).