The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for clairvoyance is "ability to see things beyond ordinary perception.", the definition for proximity is "Closeness.", and the definition for comparable is "Similar, equivalent."

The definition for surplus is "Excess." Used in a sentence: Trevor decided to freeze the surplus chili for next week's tailgate party. The definition for avian is "relating to birds.", the definition for trove is "Valuable collection.", and the definition for illuminate is "To make clear."

The definition for adversary is "One who opposes or resists." Used in a sentence: Franklin hoped to defeat his adversary in the afternoon's tennis match. The definition for scamper is "to run quickly.", the definition for mandate is "An official order or commission to do something.", and the definition for proximity is "Closeness."

The definition for negate is "To make invalid." Used in a sentence: Paula negated Tiffany's argument by proving that her main premise was false. The definition for archaic is "characteristic of an earlier time.", the definition for heed is "To pay attention to.", and the definition for epitaph is "Brief statement honoring a dead person."

The definition for genial is "Sympathetic, friendly." Used in a sentence: The genial host warmly greeted his many guests. The definition for stealth is "the act of moving secretly or unnoticed.", the definition for gruff is "Rough or stern in manner or speech.", and the definition for disdain is "Feeling of contempt."