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 extant is "currently existing.", the definition for archaic is "Characteristic of an earlier time.", and the definition for beneficial is "Helpful."

The definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage." Used in a sentence: Kevin's growing fatigue was a liability as he attempted to climb the steep hill. The definition for scamper is "to run quickly.", the definition for recrimination is "A retaliatory accusation.", and the definition for repentant is "Feeling regret."

The definition for extenuating is "Partially excusing." Used in a sentence: The extenuating circumstance of Calvin's illness caused the teacher to excuse his lateness. The definition for opportune is "suitable or convenient.", the definition for trove is "Valuable collection.", and the definition for salvage is "To save from ruin."

The definition for corrosive is "Bitingly sarcastic." Used in a sentence: The cruel Estella's corrosive comments made Pip cry. The definition for trove is "valuable collection.", the definition for ethical is "Conforming to accepted standards.", and the definition for authoritarian is "Favoring absolute obedience to authority."

The definition for punctual is "On time." Used in a sentence: Ron was worried when the usually punctual Amanda was late for the show. The definition for stealth is "the act of moving secretly or unnoticed.", the definition for revive is "To bring back to life.", and the definition for parity is "Equality."