The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for placebo is "an inactive substance used in medical testing.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for precept is "A general rule of action."

The definition for interminable is "Never ending, or seemingly endless." Used in a sentence: The impatient Zoe found the longwinded lecture interminable. The definition for trove is "valuable collection.", the definition for pallid is "Lacking color.", and the definition for corrective is "Intended to correct."

The definition for abate is "Become less in amount or intensity." Used in a sentence: Just when it seemed the rain would never stop, the storm suddenly began to abate. The definition for insolence is "boldness or rudeness.", the definition for prominence is "Importance.", and the definition for ecstatic is "Overwhelmingly emotional."

The definition for intricate is "Having complex and interrelated parts." Used in a sentence: The intricate poem baffled most readers with its numerous obscure metaphors. The definition for gruff is "rough or stern in manner or speech.", the definition for cunning is "Showing clever insight.", and the definition for precept is "A general rule of action."

The definition for appraise is "To evaluate the worth of." Used in a sentence: Simone, an expert in African sculpture, was asked to appraise the ambassador's collection of masks. The definition for condone is "to treat as acceptable.", the definition for penurious is "Extrememly stingy.", and the definition for incisive is "Impressively direct and decisive."