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 negate is "to make invalid.", the definition for rancorous is "Marked by deep ill–will.", and the definition for turmoil is "Extreme confusion, agitation."

The definition for augment is "To make greater." Used in a sentence: Wanda read the dictionary every night to augment her vocabulary. The definition for archetypal is "characteristic of the original model or perfect example.", the definition for derivative is "Lacking originality.", and the definition for refurbish is "To brighten or freshen."

The definition for entangle is "To involve in trouble." Used in a sentence: Jonah regretted entangling Parker in his legal difficulties. The definition for demean is "to lower status.", the definition for inauspicious is "Not favorable.", and the definition for grandiose is "With an affectation of grandeur."

The definition for egotist is "Self–important person." Used in a sentence: Darren dreaded carpooling with the egotist Shelly, who talked about herself nonstop. The definition for moderate is "tending toward the average.", the definition for gruff is "Rough or stern in manner or speech.", and the definition for melee is "A tumultuous fight among several people."

The definition for authoritarian is "Favoring absolute obedience to authority." Used in a sentence: Marco's authoritarian mother never allowed him to watch more than one hour of television a day. The definition for combustion is "act of burning.", the definition for heed is "To pay attention to.", and the definition for trove is "Valuable collection."