The definition for onset is "Beginning." Used in a sentence: Crocuses bloom at the onset of spring, sometimes even before the snow melts. The definition for oblivious is "lacking awareness.", the definition for incidental is "Minor.", and the definition for cunning is "Showing clever insight."

The definition for duplicity is "Deceptive thought, speech, or action." Used in a sentence: The life of an undercover detective is filed with necessary duplicity. The definition for eloquent is "fluent, expressive.", the definition for lurid is "Causing horror, shocking.", and the definition for garish is "Offensively bright."

The definition for incidental is "Minor." Used in a sentence: The accountant advised Justine not to report her incidental expenses. The definition for diffident is "lacking self–confidence.", the definition for trove is "Valuable collection.", and the definition for combative is "Eager to fight."

The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for melodious is "having a pleasing melody.", the definition for intricate is "Having complex and interrelated parts.", and the definition for comparable is "Similar, equivalent."

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 disdain is "feeling of contempt.", the definition for gargantuan is "Gigantic.", and the definition for regale is "To amuse."