The definition for cunning is "Showing clever insight." Used in a sentence: The general devised a cunning strategy to outfox the enemy. The definition for futile is "without purpose, completely ineffective.", the definition for induce is "To influence or cause.", and the definition for archaic is "Characteristic of an earlier time."

The definition for ethical is "Conforming to accepted standards." Used in a sentence: Mary did the ethical thing and turned in the diamond necklace she found. The definition for retroactive is "effective as of a prior time or condition.", the definition for interminable is "Never ending, or seemingly endless.", and the definition for negate is "To make invalid."

The definition for anthology is "A collection of selected literary pieces." Used in a sentence: The writer was thrilled when his story was included in an anthology of American masterpieces. The definition for antidote is "something that relieves or counteracts.", the definition for deferment is "The act of delaying.", and the definition for opportune is "Suitable or convenient."

The definition for commemorate is "To mark by a ceremony." Used in a sentence: Each year, the Franklins commemorate their anniversary by visiting the site of their first date. The definition for onset is "beginning.", the definition for euphoria is "Feeling of great happiness.", and the definition for straddle is "To favor opposing sides."

The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for gravity is "importance, significance.", the definition for brandish is "To shake or wave menacingly.", and the definition for perception is "Capacity for seeing or understanding."