The definition for impenitent is "Lacking remorse." Used in a sentence: The impenitent criminal received a harsh penalty, but his remorseful accomplice was released. The definition for buffer is "protective barrier.", the definition for comparable is "Similar, equivalent.", and the definition for melee is "A tumultuous fight among several people."

The definition for rancorous is "Marked by deep ill–will." Used in a sentence: The rancorous competition between the two chess clubs actually ended in a brawl. The definition for lenient is "mild or tolerant.", the definition for absolve is "To forgive; to free from guilt.", and the definition for flagrant is "Noticeably offensive."

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 avian is "relating to birds.", the definition for periodic is "Occurring at regular intervals.", and the definition for opportune is "Suitable or convenient."

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 inflammatory is "tending to excite anger.", the definition for euphoria is "Feeling of great happiness.", and the definition for insolence is "Boldness or rudeness."

The definition for frugal is "Thrifty, cheap." Used in a sentence: The frugal shopper only bought items that were on sale. The definition for distortion is "the act of twisting out of shape.", the definition for benefactor is "One who offers financial help.", and the definition for implement is "To carry out or accomplish."