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 negate is "to make invalid.", the definition for intricate is "Having complex and interrelated parts.", and the definition for archaic is "Characteristic of an earlier time."

The definition for obnoxious is "Highly offensive." Used in a sentence: The manager asked the obnoxious diner to leave the restaurant. The definition for authoritarian is "favoring absolute obedience to authority.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for eloquent is "Fluent, expressive."

The definition for appalling is "Inspiring dismay or disgust." Used in a sentence: Hector found his roommate's habit of leaving his dirty socks on the floor appalling. The definition for flourish is "to make bold, sweeping gestures.", the definition for plaudits is "Enthusiastic approval.", and the definition for salvage is "To save from ruin."

The definition for commemorate is "To mark by a ceremony." Used in a sentence: Each year, the Franklins commemorate their anniversary by visiting the site of their first date. The definition for disconcert is "to throw into confusion.", the definition for comprehensible is "Understandable.", and the definition for preclude is "To rule out in advance."

The definition for straddle is "To favor opposing sides." Used in a sentence: Kia straddled the issue, not wanting to say whether James or Tara was right. The definition for comprehensible is "understandable.", the definition for raucous is "Noisy, rowdy.", and the definition for derelict is "Abandoned."