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 periodic is "occurring at regular intervals.", the definition for flagrant is "Noticeably offensive.", and the definition for fidelity is "State of being faithful."

The definition for eloquent is "Fluent, expressive." Used in a sentence: Kim, an eloquent speaker, was the best choice to make the presentation for the group. The definition for flaunt is "to display showily.", the definition for benevolent is "Kind, helpful.", and the definition for authoritarian is "Favoring absolute obedience to authority."

The definition for adversary is "One who opposes or resists." Used in a sentence: Franklin hoped to defeat his adversary in the afternoon's tennis match. The definition for inauspicious is "not favorable.", the definition for iridescent is "Having a lustrous or attractivve quality.", and the definition for elate is "To fill with joy."

The definition for iridescent is "Having a lustrous or attractivve quality." Used in a sentence: The movie star's iridescent presence charmed even the hardened reporter. The definition for raucous is "noisy, rowdy.", the definition for frugal is "Thrifty, cheap.", and the definition for combustion is "Act of burning."

The definition for obnoxious is "Highly offensive." Used in a sentence: The manager asked the obnoxious diner to leave the restaurant. The definition for gargantuan is "gigantic.", the definition for gravity is "Importance, significance.", and the definition for accommodate is "To give consideration to."