The definition for repel is "To resist, reject." Used in a sentence: The soldiers made a massive charge to repel the invaders. The definition for mediate is "to come between parties in order to reconcile.", the definition for gruff is "Rough or stern in manner or speech.", and the definition for extenuating is "Partially excusing."

The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for prudent is "marked by wisdom, shrewd.", the definition for rancorous is "Marked by deep ill–will.", and the definition for deferment is "The act of delaying."

The definition for negate is "To make invalid." Used in a sentence: Paula negated Tiffany's argument by proving that her main premise was false. The definition for incidental is "minor.", the definition for belated is "Past the normal or proper time.", and the definition for preclude is "To rule out in advance."

The definition for accommodate is "To give consideration to." Used in a sentence: The hospitable couple was happy to accommodate the needs of their finicky guest. The definition for gravity is "importance, significance.", the definition for pantomime is "Telling a story through gestures.", and the definition for nurture is "To further the development of."

The definition for benefactor is "One who offers financial help." Used in a sentence: Michael's aunt and benefactor paid his college tuition. The definition for camaraderie is "spirit of friendship.", the definition for ramble is "To wander, physically or in language.", and the definition for gargantuan is "Gigantic."