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 stern is "harsh, severe.", the definition for appalling is "Inspiring dismay or disgust.", and the definition for aerate is "To supply with air."

The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for adversary is "one who opposes or resists.", the definition for serenity is "Calmness.", and the definition for futile is "Without purpose, completely ineffective."

The definition for procrastinate is "To put off intentionally." Used in a sentence: Yvonne's father urged, "Don't procrastinate. Clean your room right away." The definition for benefactor is "one who offers financial help.", the definition for proximity is "Closeness.", and the definition for ecstatic is "Overwhelmingly emotional."

The definition for straddle is "To favor opposing sides." Used in a sentence: Kia straddled the issue, not wanting to say whether James or Tara was right. The definition for perception is "capacity for seeing or understanding.", the definition for onset is "Beginning.", and the definition for promote is "To contribute to the growth or prosperity of."

The definition for ecstatic is "Overwhelmingly emotional." Used in a sentence: They were ecstatic when their team won the championship game in the last second. The definition for euphoria is "feeling of great happiness.", the definition for gargantuan is "Gigantic.", and the definition for facade is "false or superficial appearance."