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 mediate is "to come between parties in order to reconcile.", the definition for flaw is "An imperfection.", and the definition for deferment is "The act of delaying."

The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for lenient is "mild or tolerant.", the definition for naive is "Lacking worldy wisdom.", and the definition for comparable is "Similar, equivalent."

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 plaudits is "enthusiastic approval.", the definition for gargantuan is "Gigantic.", and the definition for prominence is "Importance."

The definition for insinuate is "To suggest indirectly." Used in a sentence: Sinead, who did not like confrontation, insinuated that Beth was lying. The definition for surplus is "excess.", the definition for accessible is "Easy to reach or to approach.", and the definition for incongruous is "Not harmonious, incompatible."

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 facade is "false or superficial appearance.", the definition for recrimination is "A retaliatory accusation.", and the definition for defiant is "Showing bold resistance."