The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for surplus is "excess.", the definition for camaraderie is "Spirit of friendship.", and the definition for ethical is "Conforming to accepted standards."

The definition for celebrated is "Widely known, respected." Used in a sentence: The fans waited for hours to catch a glimpse of the celebrated actress. The definition for turpitude is "essential baseness, depravity.", the definition for aerate is "To supply with air.", and the definition for accentuate is "To emphasize."

The definition for apathetic is "Showing little or no emotion." Used in a sentence: Carmine was concerned about his usually cheerful brother's apathetic attitude. The definition for pathos is "sympathetic pity.", the definition for adversary is "One who opposes or resists.", and the definition for clarity is "Clearness."

The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for ecstatic is "overwhelmingly emotional.", the definition for heinous is "Shockingly evil.", and the definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage."

The definition for accentuate is "To emphasize." Used in a sentence: Carla used red ribbons to accentuate the coppery tones in her hair. The definition for mundane is "practical, ordinary.", the definition for indecorous is "In bad taste.", and the definition for stealth is "The act of moving secretly or unnoticed."