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 heinous is "shockingly evil.", the definition for mandate is "An official order or commission to do something.", and the definition for facade is "false or superficial appearance."

The definition for clairvoyance is "Ability to see things beyond ordinary perception." Used in a sentence: Rosa used her clairvoyance to help Alexander find his lost keys. The definition for retroactive is "effective as of a prior time or condition.", the definition for inauspicious is "Not favorable.", and the definition for onset is "Beginning."

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 illuminate is "to make clear.", the definition for nurture is "To further the development of.", and the definition for turpitude is "Essential baseness, depravity."

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 pathos is "sympathetic pity.", the definition for ecstatic is "Overwhelmingly emotional.", and the definition for corrosive is "Bitingly sarcastic."

The definition for penurious is "Extrememly stingy." Used in a sentence: Ebenezer Scrooge was most penurious, refusing to give even a penny to charity. The definition for genial is "sympathetic, friendly.", the definition for derivative is "Lacking originality.", and the definition for stealth is "The act of moving secretly or unnoticed."