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 surplus is "excess.", the definition for frugal is "Thrifty, cheap.", and the definition for pretense is "False intention or purpose."

The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for recrimination is "a retaliatory accusation.", the definition for exasperation is "The state of being irritated.", and the definition for methodical is "Performed in an orderly manner."

The definition for methodical is "Performed in an orderly manner." Used in a sentence: Oscar's methodical approach exasperated his free–spirited friend Ben. The definition for fickle is "lacking constancy, changeable.", the definition for implement is "To carry out or accomplish.", and the definition for manifest is "Obvious."

The definition for accentuate is "To emphasize." Used in a sentence: Carla used red ribbons to accentuate the coppery tones in her hair. The definition for ploy is "a contrived plan.", the definition for stern is "Harsh, severe.", and the definition for eulogy is "Speech or writing in praise of deceased."

The definition for revive is "To bring back to life." Used in a sentence: Hank tried to revive Clare's interest in the project, but her enthusiasm had expired. The definition for recrimination is "a retaliatory accusation.", the definition for oblivious is "Lacking awareness.", and the definition for buffer is "Protective barrier."