The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for apathetic is "showing little or no emotion.", the definition for stifle is "To repress or discourage.", and the definition for rancorous is "Marked by deep ill–will."

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 impenitent is "lacking remorse.", the definition for straddle is "To favor opposing sides.", and the definition for beneficial is "Helpful."

The definition for pathos is "Sympathetic pity." Used in a sentence: The soldiers cherished the kindly Nurse Nightingale for her pathos. The definition for heinous is "shockingly evil.", the definition for brandish is "To shake or wave menacingly.", and the definition for stealth is "The act of moving secretly or unnoticed."

The definition for parity is "Equality." Used in a sentence: Hilda, to avoid squabbles, aimed for parity in the slices of birthday cake. The definition for demeanor is "behavior towards others.", the definition for benevolent is "Kind, helpful.", and the definition for melodious is "Having a pleasing melody."

The definition for euphoria is "Feeling of great happiness." Used in a sentence: Cassandra was overcome with euphoria when she met her long–lost sister. The definition for heed is "to pay attention to.", the definition for futile is "Without purpose, completely ineffective.", and the definition for buffer is "Protective barrier."