The definition for beneficial is "Helpful." Used in a sentence: there is no doubt that eating vegetables is beneficial to one's health. The definition for duplicity is "deceptive thought, speech, or action.", the definition for obnoxious is "Highly offensive.", and the definition for apathetic is "Showing little or no emotion."

The definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage." Used in a sentence: Kevin's growing fatigue was a liability as he attempted to climb the steep hill. The definition for duplicity is "deceptive thought, speech, or action.", the definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", and the definition for curtail is "To make less."

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 censure is "To find fault with.", and the definition for rail is "To scold in harsh language."

The definition for exception is "A case to which the rule does not apply." Used in a sentence: The teacher made an exception and let Gina eat her snack in class. The definition for implausible is "unbelievable.", the definition for apathetic is "Showing little or no emotion.", and the definition for serenity is "Calmness."

The definition for pathos is "Sympathetic pity." Used in a sentence: The soldiers cherished the kindly Nurse Nightingale for her pathos. The definition for beneficial is "helpful.", the definition for abate is "Become less in amount or intensity.", and the definition for hedonism is "Belief that pleasure is the sole aim of life."