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 redouble is "to make twice as great.", the definition for solace is "Source of consolation.", and the definition for derivative is "Lacking originality."

The definition for heinous is "Shockingly evil." Used in a sentence: Eduardo's heinous betrayal of Lydia shocked even Latasha, who knew his evil ways. The definition for untenable is "not able to be defended.", the definition for pretense is "False intention or purpose.", and the definition for mundane is "Practical, ordinary."

The definition for polarize is "To break up into opposing groups." Used in a sentence: Thelma tended to polarize discussions rather than to encourage compromise. The definition for insinuate is "to suggest indirectly.", the definition for perception is "Capacity for seeing or understanding.", and the definition for colossal is "Immense, enormous."

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 commemorate is "to mark by a ceremony.", the definition for moderate is "Tending toward the average.", and the definition for turpitude is "Essential baseness, depravity."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for implausible is "unbelievable.", the definition for defiant is "Showing bold resistance.", and the definition for exalt is "To elevate by praise."