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 stern is "harsh, severe.", the definition for combustion is "Act of burning.", and the definition for pathos is "Sympathetic pity."

The definition for foil is "One that enhances or underscores by contrast." Used in a sentence: The sweet cookie was a perfect foil to the sour lemon sorbet. The definition for camaraderie is "spirit of friendship.", the definition for equitable is "Fair and equal.", and the definition for entangle is "To involve in trouble."

The definition for genial is "Sympathetic, friendly." Used in a sentence: The genial host warmly greeted his many guests. The definition for methodical is "performed in an orderly manner.", the definition for fickle is "Lacking constancy, changeable.", and the definition for pantomime is "Telling a story through gestures."

The definition for entangle is "To involve in trouble." Used in a sentence: Jonah regretted entangling Parker in his legal difficulties. The definition for scamper is "to run quickly.", the definition for revive is "To bring back to life.", and the definition for rhapsody is "State of great happiness."

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 benefactor is "one who offers financial help.", the definition for fragile is "Delicate.", and the definition for compulsion is "An irresistible impulse."