The definition for redouble is "To make twice as great." Used in a sentence: As the sun began to set, Brittany redoubled her effort to find the necklace she had dropped in the field. The definition for regurgitate is "to pour out or throw back.", the definition for aerate is "To supply with air.", and the definition for colossal is "Immense, enormous."

The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for serenity is "calmness.", the definition for colossal is "Immense, enormous.", and the definition for buffer is "Protective barrier."

The definition for mandate is "An official order or commission to do something." Used in a sentence: Martha reluctantly obeyed the mandate to vacate her apartment. The definition for opportune is "suitable or convenient.", the definition for benevolent is "Kind, helpful.", and the definition for buffer is "Protective barrier."

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 incisive is "impressively direct and decisive.", the definition for plaudits is "Enthusiastic approval.", and the definition for apathetic is "Showing little or no emotion."

The definition for fraud is "Trick." Used in a sentence: The con man's fraud involved selling swampland to gullible investors. The definition for immoderate is "beyond usual or proper limits.", the definition for epitaph is "Brief statement honoring a dead person.", and the definition for grandiose is "With an affectation of grandeur."