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 placebo is "an inactive substance used in medical testing.", the definition for stern is "Harsh, severe.", and the definition for fraud is "Trick."

The definition for equitable is "Fair and equal." Used in a sentence: The judge made an equitable decision dividing the estate evenly among the sisters. The definition for flourish is "to make bold, sweeping gestures.", the definition for onset is "Beginning.", and the definition for combustion is "Act of burning."

The definition for ecstatic is "Overwhelmingly emotional." Used in a sentence: They were ecstatic when their team won the championship game in the last second. The definition for pathos is "sympathetic pity.", the definition for anthology is "A collection of selected literary pieces.", and the definition for authoritarian is "Favoring absolute obedience to authority."

The definition for clairvoyance is "Ability to see things beyond ordinary perception." Used in a sentence: Rosa used her clairvoyance to help Alexander find his lost keys. The definition for derivative is "lacking originality.", the definition for prune is "To reduce by removing excess.", and the definition for disdain is "Feeling of contempt."

The definition for compulsion is "An irresistible impulse." Used in a sentence: Tamar, a shoe fanatic, could not resist the compulsion to buy the shiny red boots. The definition for ploy is "a contrived plan.", the definition for commemorate is "To mark by a ceremony.", and the definition for servile is "Fearfully submissive."