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 catastrophic is "relating to extreme misfortune.", the definition for corrosive is "Bitingly sarcastic.", and the definition for penurious is "Extrememly stingy."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for facade is "false or superficial appearance.", the definition for manifest is "Obvious.", and the definition for fickle is "Lacking constancy, changeable."

The definition for revive is "To bring back to life." Used in a sentence: Hank tried to revive Clare's interest in the project, but her enthusiasm had expired. The definition for induce is "to influence or cause.", the definition for penurious is "Extrememly stingy.", and the definition for archaic is "Characteristic of an earlier time."

The definition for induce is "To influence or cause." Used in a sentence: The loud blast of the cannon induced an avalanche. The definition for retroactive is "effective as of a prior time or condition.", the definition for incidental is "Minor.", and the definition for pantomime is "Telling a story through gestures."

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 regale is "to amuse.", the definition for antidote is "Something that relieves or counteracts.", and the definition for scamper is "To run quickly."