The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for opportune is "suitable or convenient.", the definition for intricate is "Having complex and interrelated parts.", and the definition for nurture is "To further the development of."

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 illuminate is "to make clear.", the definition for flaunt is "To display showily.", and the definition for moderate is "Tending toward the average."

The definition for archaic is "Characteristic of an earlier time." Used in a sentence: In the world of high fashion, two–year–old shoes are considered positively archaic. The definition for heinous is "shockingly evil.", the definition for negate is "To make invalid.", and the definition for benefactor is "One who offers financial help."

The definition for appalling is "Inspiring dismay or disgust." Used in a sentence: Hector found his roommate's habit of leaving his dirty socks on the floor appalling. The definition for embellish is "to decorate.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for obnoxious is "Highly offensive."

The definition for pomp is "Showy display." Used in a sentence: Jan couldn't help enjoying the pomp of the elaborate wedding ceremony. The definition for buffer is "protective barrier.", the definition for parity is "Equality.", and the definition for elate is "To fill with joy."