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 rancorous is "marked by deep ill–will.", the definition for corroborate is "To support with evidence.", and the definition for prudent is "Marked by wisdom, shrewd."

The definition for egotist is "Self–important person." Used in a sentence: Darren dreaded carpooling with the egotist Shelly, who talked about herself nonstop. The definition for fraud is "trick.", the definition for antidote is "Something that relieves or counteracts.", and the definition for corroborate is "To support with evidence."

The definition for prune is "To reduce by removing excess." Used in a sentence: The candidate pruned his speech so he would not exceed the time limit. The definition for diffident is "lacking self–confidence.", the definition for regurgitate is "To pour out or throw back.", and the definition for embellish is "To decorate."

The definition for revive is "To bring back to life." Used in a sentence: Hank tried to revive Clare's interest in the project, but her enthusiasm had expired. The definition for melee is "a tumultuous fight among several people.", the definition for polarize is "To break up into opposing groups.", and the definition for illuminate is "To make clear."

The definition for benefactor is "One who offers financial help." Used in a sentence: Michael's aunt and benefactor paid his college tuition. The definition for camaraderie is "spirit of friendship.", the definition for corrective is "Intended to correct.", and the definition for onset is "Beginning."