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 duplicity is "deceptive thought, speech, or action.", the definition for punctual is "On time.", and the definition for revoke is "To cancel by taking back."

The definition for clarity is "Clearness." Used in a sentence: The refreshing water in the mountain stream was remarkable for its clarity. The definition for exasperation is "the state of being irritated.", the definition for aesthete is "Person having or affecting sensitivity to beauty.", and the definition for obnoxious is "Highly offensive."

The definition for methodical is "Performed in an orderly manner." Used in a sentence: Oscar's methodical approach exasperated his free–spirited friend Ben. The definition for retroactive is "effective as of a prior time or condition.", the definition for regurgitate is "To pour out or throw back.", and the definition for turmoil is "Extreme confusion, agitation."

The definition for heed is "To pay attention to." Used in a sentence: "Heed my advice," the fortuneteller warned Sebastian when he tried to ignore her prophecy. The definition for opportune is "suitable or convenient.", the definition for disdain is "Feeling of contempt.", and the definition for combative is "Eager to fight."

The definition for exalt is "To elevate by praise." Used in a sentence: The fireman was publicly exalted for his heroism. The definition for catastrophic is "relating to extreme misfortune.", the definition for ethical is "Conforming to accepted standards.", and the definition for solace is "Source of consolation."