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 periodic is "occurring at regular intervals.", the definition for interminable is "Never ending, or seemingly endless.", and the definition for defiant is "Showing bold resistance."

The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for archetypal is "characteristic of the original model or perfect example.", the definition for adversary is "One who opposes or resists.", and the definition for oblivious is "Lacking awareness."

The definition for rail is "To scold in harsh language." Used in a sentence: Clay began to cry as his irate manager railed at him for missing the deadline. The definition for extol is "to praise highly.", the definition for incisive is "Impressively direct and decisive.", and the definition for methodical is "Performed in an orderly manner."

The definition for extant is "Currently existing." Used in a sentence: Some consider Clint Eastwood the greatest extant American director. The definition for opportune is "suitable or convenient.", the definition for repentant is "Feeling regret.", and the definition for drub is "To defeat decisively."

The definition for turmoil is "Extreme confusion, agitation." Used in a sentence: The windstorm caused such turmoil in the lake that the sailboat capsized. The definition for illuminate is "to make clear.", the definition for camaraderie is "Spirit of friendship.", and the definition for benevolent is "Kind, helpful."