The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for revoke is "to cancel by taking back.", the definition for periodic is "Occurring at regular intervals.", and the definition for gruff is "Rough or stern in manner or speech."

The definition for brandish is "To shake or wave menacingly." Used in a sentence: The baseball player was fined for brandishing his bat at the opposing pitcher. The definition for discern is "to recognize as separate as distinct.", the definition for unscrupulous is "Lacking principles.", and the definition for rancorous is "Marked by deep ill–will."

The definition for futile is "Without purpose, completely ineffective." Used in a sentence: Arguing with Andrew is futile because he never changes his mind. The definition for elate is "to fill with joy.", the definition for accommodate is "To give consideration to.", and the definition for pretentious is "Making unjustified claims."

The definition for archaic is "Characteristic of an earlier time." Used in a sentence: In the world of high fashion, two–year–old shoes are considered positively archaic. The definition for dubious is "questionable.", the definition for nurture is "To further the development of.", and the definition for serenity is "Calmness."

The definition for incidental is "Minor." Used in a sentence: The accountant advised Justine not to report her incidental expenses. The definition for embellish is "to decorate.", the definition for extol is "To praise highly.", and the definition for perception is "Capacity for seeing or understanding."