The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for unscrupulous is "lacking principles.", the definition for extenuating is "Partially excusing.", and the definition for negate is "To make invalid."

The definition for repel is "To resist, reject." Used in a sentence: The soldiers made a massive charge to repel the invaders. The definition for melodious is "having a pleasing melody.", the definition for pomp is "Showy display.", and the definition for meticulous is "Extrememly careful regarding details."

The definition for scapegoat is "Someone who bears the blame for others." Used in a sentence: Audrey used her innocent baby brother as a scapegoat for the missing cookies. The definition for camaraderie is "spirit of friendship.", the definition for condone is "To treat as acceptable.", and the definition for gargantuan is "Gigantic."

The definition for fidelity is "State of being faithful." Used in a sentence: Unlike her fickle friend Benji, May Belle was known for her fidelity. The definition for repel is "to resist, reject.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for egotist is "Self–important person."

The definition for regurgitate is "To pour out or throw back." Used in a sentence: The teacher wanted us to examine ideas rather than to regurgitate memorized facts. The definition for comparable is "similar, equivalent.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for futile is "Without purpose, completely ineffective."