The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for revoke is "to cancel by taking back.", the definition for appalling is "Inspiring dismay or disgust.", and the definition for gargantuan is "Gigantic."

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 intricate is "having complex and interrelated parts.", the definition for heinous is "Shockingly evil.", and the definition for indecorous is "In bad taste."

The definition for refurbish is "To brighten or freshen." Used in a sentence: Leeanne cleaned and mended all weekend to refurbish the shabby apartment. The definition for curtail is "to make less.", the definition for camaraderie is "Spirit of friendship.", and the definition for obnoxious is "Highly offensive."

The definition for foil is "One that enhances or underscores by contrast." Used in a sentence: The sweet cookie was a perfect foil to the sour lemon sorbet. The definition for combustion is "act of burning.", the definition for dubious is "Questionable.", and the definition for brandish is "To shake or wave menacingly."

The definition for turmoil is "Extreme confusion, agitation." Used in a sentence: The windstorm caused such turmoil in the lake that the sailboat capsized. The definition for adversary is "one who opposes or resists.", the definition for hedonism is "Belief that pleasure is the sole aim of life.", and the definition for benevolent is "Kind, helpful."