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 stealth is "the act of moving secretly or unnoticed.", the definition for derelict is "Abandoned.", and the definition for negate is "To make invalid."

The definition for gravity is "Importance, significance." Used in a sentence: Understanding the gravity of his error, Ken offered his humblest apology. The definition for scapegoat is "someone who bears the blame for others.", the definition for induce is "To influence or cause.", and the definition for untenable is "Not able to be defended."

The definition for flagrant is "Noticeably offensive." Used in a sentence: The executive was fired for his flagrant abuse of the company expense account. The definition for appraise is "to evaluate the worth of.", the definition for repel is "To resist, reject.", and the definition for parity is "Equality."

The definition for gruff is "Rough or stern in manner or speech." Used in a sentence: Heidi's grandfather was gruff, barking stern orders and hardly smiling. The definition for belated is "past the normal or proper time.", the definition for negate is "To make invalid.", and the definition for supple is "Flexible."

The definition for genial is "Sympathetic, friendly." Used in a sentence: The genial host warmly greeted his many guests. The definition for oblivious is "lacking awareness.", the definition for ethical is "Conforming to accepted standards.", and the definition for intricate is "Having complex and interrelated parts."