The definition for derelict is "Abandoned." Used in a sentence: The derelict house was condemned as a public hazard. The definition for adversary is "one who opposes or resists.", the definition for euphoria is "Feeling of great happiness.", and the definition for elusive is "Hard to grasp."

The definition for duplicity is "Deceptive thought, speech, or action." Used in a sentence: The life of an undercover detective is filed with necessary duplicity. The definition for buffer is "protective barrier.", the definition for servile is "Fearfully submissive.", and the definition for procrastinate is "To put off intentionally."

The definition for nurture is "To further the development of." Used in a sentence: Our cat made a nest of blankets to nurture her newborn kittens. The definition for catastrophic is "relating to extreme misfortune.", the definition for beneficial is "Helpful.", and the definition for apathetic is "Showing little or no emotion."

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 catastrophic is "relating to extreme misfortune.", the definition for combustion is "Act of burning.", and the definition for brandish is "To shake or wave menacingly."

The definition for surplus is "Excess." Used in a sentence: Trevor decided to freeze the surplus chili for next week's tailgate party. The definition for antidote is "something that relieves or counteracts.", the definition for procrastinate is "To put off intentionally.", and the definition for incisive is "Impressively direct and decisive."