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 polarize is "to break up into opposing groups.", the definition for sociable is "Inclined to seek companionship.", and the definition for placebo is "An inactive substance used in medical testing."

The definition for grandiose is "With an affectation of grandeur." Used in a sentence: The sweeping, grandiose staircase looked preposterous in the modest entry hall. The definition for frugal is "thrifty, cheap.", the definition for stealth is "The act of moving secretly or unnoticed.", and the definition for rancorous is "Marked by deep ill–will."

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 antidote is "something that relieves or counteracts.", the definition for eloquent is "Fluent, expressive.", and the definition for augment is "To make greater."

The definition for combative is "Eager to fight." Used in a sentence: The teacher suggested the combative student channel his aggression into boxing. The definition for exalt is "to elevate by praise.", the definition for belated is "Past the normal or proper time.", and the definition for finite is "Having definite limits."

The definition for extol is "To praise highly." Used in a sentence: The statesman extolled the ambassador who single–handedly negotiated the peace treaty. The definition for implement is "to carry out or accomplish.", the definition for facade is "false or superficial appearance.", and the definition for insinuate is "To suggest indirectly."