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 ethical is "conforming to accepted standards.", the definition for equitable is "Fair and equal.", and the definition for turpitude is "Essential baseness, depravity."

The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for methodical is "performed in an orderly manner.", the definition for stern is "Harsh, severe.", and the definition for epistolary is "Contained or carried on in letters."

The definition for gravity is "Importance, significance." Used in a sentence: Understanding the gravity of his error, Ken offered his humblest apology. The definition for opportune is "suitable or convenient.", the definition for epitaph is "Brief statement honoring a dead person.", and the definition for heed is "To pay attention to."

The definition for immoderate is "Beyond usual or proper limits." Used in a sentence: Bob's immoderate appetite shocked the guests at the wedding banquet. The definition for prune is "to reduce by removing excess.", the definition for prominence is "Importance.", and the definition for exalt is "To elevate by praise."

The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for fidelity is "state of being faithful.", the definition for elate is "To fill with joy.", and the definition for fraud is "Trick."