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 curtail is "to make less.", the definition for insolence is "Boldness or rudeness.", and the definition for incongruous is "Not harmonious, incompatible."

The definition for awe is "Emotion combining dread and wonder." Used in a sentence: Charlie was in awe of his uncle, a professional football player and chess champion. The definition for straddle is "to favor opposing sides.", the definition for inauspicious is "Not favorable.", and the definition for regurgitate is "To pour out or throw back."

The definition for incidental is "Minor." Used in a sentence: The accountant advised Justine not to report her incidental expenses. The definition for antidote is "something that relieves or counteracts.", the definition for appraise is "To evaluate the worth of.", and the definition for insolence is "Boldness or rudeness."

The definition for exalt is "To elevate by praise." Used in a sentence: The fireman was publicly exalted for his heroism. The definition for diffident is "lacking self–confidence.", the definition for rail is "To scold in harsh language.", and the definition for futile is "Without purpose, completely ineffective."

The definition for curtail is "To make less." Used in a sentence: Doreen decided to curtail her spending after she bounced a check. The definition for trove is "valuable collection.", the definition for gruff is "Rough or stern in manner or speech.", and the definition for lenient is "Mild or tolerant."