The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for compulsion is "an irresistible impulse.", the definition for catastrophic is "Relating to extreme misfortune.", and the definition for clairvoyance is "Ability to see things beyond ordinary perception."

The definition for trove is "Valuable collection." Used in a sentence: Walter's trove of vintage baseball cards was worth thousands of dollars. The definition for futile is "without purpose, completely ineffective.", the definition for promote is "To contribute to the growth or prosperity of.", and the definition for revoke is "To cancel by taking back."

The definition for immoderate is "Beyond usual or proper limits." Used in a sentence: Bob's immoderate appetite shocked the guests at the wedding banquet. The definition for cunning is "showing clever insight.", the definition for egotist is "Self–important person.", and the definition for implausible is "Unbelievable."

The definition for mundane is "Practical, ordinary." Used in a sentence: The flighty Caroline could not be troubled with mundane tasks such as paying her bills. The definition for euphoria is "feeling of great happiness.", the definition for plaudits is "Enthusiastic approval.", and the definition for meticulous is "Extrememly careful regarding details."

The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for stern is "harsh, severe.", the definition for serenity is "Calmness.", and the definition for elusive is "Hard to grasp."