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 facade is "false or superficial appearance.", and the definition for euphoria is "Feeling of great happiness."

The definition for accessible is "Easy to reach or to approach." Used in a sentence: The introduction to the complex novel was, thankfully, written in clear accessible language. The definition for pantomime is "telling a story through gestures.", the definition for stern is "Harsh, severe.", and the definition for pretentious is "Making unjustified claims."

The definition for commemorate is "To mark by a ceremony." Used in a sentence: Each year, the Franklins commemorate their anniversary by visiting the site of their first date. The definition for procrastinate is "to put off intentionally.", the definition for stifle is "To repress or discourage.", and the definition for archetypal is "Characteristic of the original model or perfect example."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for supple is "flexible.", the definition for redouble is "To make twice as great.", and the definition for preclude is "To rule out in advance."

The definition for duplicity is "Deceptive thought, speech, or action." Used in a sentence: The life of an undercover detective is filed with necessary duplicity. The definition for interminable is "never ending, or seemingly endless.", the definition for prune is "To reduce by removing excess.", and the definition for pantomime is "Telling a story through gestures."