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 promote is "to contribute to the growth or prosperity of.", the definition for apathetic is "Showing little or no emotion.", and the definition for mundane is "Practical, ordinary."

The definition for pathos is "Sympathetic pity." Used in a sentence: The soldiers cherished the kindly Nurse Nightingale for her pathos. The definition for heed is "to pay attention to.", the definition for trove is "Valuable collection.", and the definition for impenitent is "Lacking remorse."

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 recrimination is "a retaliatory accusation.", the definition for rhapsody is "State of great happiness.", and the definition for ramble is "To wander, physically or in language."

The definition for archaic is "Characteristic of an earlier time." Used in a sentence: In the world of high fashion, two–year–old shoes are considered positively archaic. The definition for facade is "false or superficial appearance.", the definition for camaraderie is "Spirit of friendship.", and the definition for fragile is "Delicate."

The definition for meticulous is "Extrememly careful regarding details." Used in a sentence: The meticulous detective found every shred of evidence at the crime scene. The definition for demean is "to lower status.", the definition for stealth is "The act of moving secretly or unnoticed.", and the definition for placebo is "An inactive substance used in medical testing."