The definition for derelict is "Abandoned." Used in a sentence: The derelict house was condemned as a public hazard. The definition for onset is "beginning.", the definition for repel is "To resist, reject.", and the definition for proximity is "Closeness."

The definition for iridescent is "Having a lustrous or attractivve quality." Used in a sentence: The movie star's iridescent presence charmed even the hardened reporter. The definition for inviolable is "secure from assault of trespass.", the definition for interminable is "Never ending, or seemingly endless.", and the definition for appraise is "To evaluate the worth of."

The definition for gruff is "Rough or stern in manner or speech." Used in a sentence: Heidi's grandfather was gruff, barking stern orders and hardly smiling. The definition for revive is "to bring back to life.", the definition for procrastinate is "To put off intentionally.", and the definition for incisive is "Impressively direct and decisive."

The definition for moderate is "Tending toward the average." Used in a sentence: The best–selling writer was disappointed; his new novel was only a moderate success. The definition for combustion is "act of burning.", the definition for derivative is "Lacking originality.", and the definition for accentuate is "To emphasize."

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 defiant is "showing bold resistance.", the definition for gruff is "Rough or stern in manner or speech.", and the definition for intricate is "Having complex and interrelated parts."