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 inflammatory is "tending to excite anger.", the definition for punctual is "On time.", and the definition for aerate is "To supply with air."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for retroactive is "effective as of a prior time or condition.", the definition for rehash is "To discuss again.", and the definition for procrastinate is "To put off intentionally."

The definition for turmoil is "Extreme confusion, agitation." Used in a sentence: The windstorm caused such turmoil in the lake that the sailboat capsized. The definition for heed is "to pay attention to.", the definition for illuminate is "To make clear.", and the definition for serenity is "Calmness."

The definition for demean is "To lower status." Used in a sentence: The embarrassing photograph demeaned the candidate in the eyes of the voters. The definition for anthology is "a collection of selected literary pieces.", the definition for meticulous is "Extrememly careful regarding details.", and the definition for facade is "false or superficial appearance."

The definition for onset is "Beginning." Used in a sentence: Crocuses bloom at the onset of spring, sometimes even before the snow melts. The definition for extant is "currently existing.", the definition for benefactor is "One who offers financial help.", and the definition for archetypal is "Characteristic of the original model or perfect example."