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 incumbent is "necessary as a duty or responsibility.", the definition for lurid is "Causing horror, shocking.", and the definition for augment is "To make greater."

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 extol is "to praise highly.", the definition for ecstatic is "Overwhelmingly emotional.", and the definition for flourish is "To make bold, sweeping gestures."

The definition for commemorate is "To mark by a ceremony." Used in a sentence: Each year, the Franklins commemorate their anniversary by visiting the site of their first date. The definition for serenity is "calmness.", the definition for derivative is "Lacking originality.", and the definition for defiant is "Showing bold resistance."

The definition for comprehensible is "Understandable." Used in a sentence: Shannon spoke slowly so her directions would be comprehensible to her foreign visitor. The definition for raucous is "noisy, rowdy.", the definition for raspy is "rough, grating.", and the definition for prominence is "Importance."

The definition for ecstatic is "Overwhelmingly emotional." Used in a sentence: They were ecstatic when their team won the championship game in the last second. The definition for incidental is "minor.", the definition for methodical is "Performed in an orderly manner.", and the definition for recrimination is "A retaliatory accusation."