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 drab is "dull, monotonous.", the definition for penurious is "Extrememly stingy.", and the definition for rail is "To scold in harsh language."

The definition for condone is "To treat as acceptable." Used in a sentence: Crystal condoned her friend's late arrival because she found it hard to be on time herself. The definition for extant is "currently existing.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for elusive is "Hard to grasp."

The definition for rancorous is "Marked by deep ill–will." Used in a sentence: The rancorous competition between the two chess clubs actually ended in a brawl. The definition for adversary is "one who opposes or resists.", the definition for pathos is "Sympathetic pity.", and the definition for inflammatory is "Tending to excite anger."

The definition for revoke is "To cancel by taking back." Used in a sentence: After Kal's father revoked his allowance, he had no money for the movies. The definition for unscrupulous is "lacking principles.", the definition for corroborate is "To support with evidence.", and the definition for frugal is "Thrifty, cheap."

The definition for indecorous is "In bad taste." Used in a sentence: My parents banned Chad from our house because of his indecorous behavior at dinner. The definition for disdain is "feeling of contempt.", the definition for repel is "To resist, reject.", and the definition for intricate is "Having complex and interrelated parts."