Is there a sentence for 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.

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).

When it doesn't have a noun ( subject), a verb (the predicate) , no punctuation, when the first letter isn't capitalized and when it hasn't a complete thought. You need all of this to have a complete...