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 incisive is "impressively direct and decisive.", the definition for absolve is "To forgive; to free from guilt.", and the definition for opportune is "Suitable or convenient."

The definition for stern is "Harsh, severe." Used in a sentence: The stern principal canceled the prom after the seniors played a silly prank. The definition for ethical is "conforming to accepted standards.", the definition for melee is "A tumultuous fight among several people.", and the definition for colossal is "Immense, enormous."

The definition for mundane is "Practical, ordinary." Used in a sentence: The flighty Caroline could not be troubled with mundane tasks such as paying her bills. The definition for lenient is "mild or tolerant.", the definition for inflammatory is "Tending to excite anger.", and the definition for genial is "Sympathetic, friendly."

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 aesthete is "person having or affecting sensitivity to beauty.", the definition for refurbish is "To brighten or freshen.", and the definition for obnoxious is "Highly offensive."

The definition for exasperation is "The state of being irritated." Used in a sentence: The longer Jorge waited in line at the ticket counter, the more his exasperation grew. The definition for inauspicious is "not favorable.", the definition for avian is "Relating to birds.", and the definition for censure is "To find fault with."