The definition for serenity is "Calmness." Used in a sentence: The serenity of the glassy sea soothed the sailors after the big storm. The definition for pretentious is "making unjustified claims.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for opportune is "Suitable or convenient."

The definition for gargantuan is "Gigantic." Used in a sentence: The gargantuan monster towered over the ten–story bulding. The definition for egotist is "self–important person.", the definition for naive is "Lacking worldy wisdom.", and the definition for rhapsody is "State of great happiness."

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 corrosive is "bitingly sarcastic.", the definition for revive is "To bring back to life.", and the definition for eloquent is "Fluent, expressive."

The definition for promote is "To contribute to the growth or prosperity of." Used in a sentence: The promote peace, the diplomat hosted a talk between the warring nations. The definition for straddle is "to favor opposing sides.", the definition for indecorous is "In bad taste.", and the definition for censure is "To find fault with."

The definition for inviolable is "Secure from assault of trespass." Used in a sentence: Situated on a mountain, with sixteen–foot walls, the castle was inviolable. The definition for liability is "a person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", the definition for pantomime is "Telling a story through gestures.", and the definition for demean is "To lower status."