The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for fidelity is "state of being faithful.", the definition for opportune is "Suitable or convenient.", and the definition for turmoil is "Extreme confusion, agitation."

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 incidental is "minor.", the definition for adversary is "One who opposes or resists.", and the definition for foil is "One that enhances or underscores by contrast."

The definition for recrimination is "A retaliatory accusation." Used in a sentence: Frank, who was wounded by Sally's remark, made a bitter recrimination. The definition for negate is "to make invalid.", the definition for authoritarian is "Favoring absolute obedience to authority.", and the definition for perception is "Capacity for seeing or understanding."

The definition for combative is "Eager to fight." Used in a sentence: The teacher suggested the combative student channel his aggression into boxing. The definition for fidelity is "state of being faithful.", the definition for straddle is "To favor opposing sides.", and the definition for solace is "Source of consolation."

The definition for regale is "To amuse." Used in a sentence: My clever brother Jeffrey regaled the dinner guests with tales of his adventures. The definition for refurbish is "to brighten or freshen.", the definition for grandiose is "With an affectation of grandeur.", and the definition for comprehensible is "Understandable."