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 mediate is "to come between parties in order to reconcile.", the definition for appraise is "To evaluate the worth of.", and the definition for augment is "To make greater."

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 implausible is "unbelievable.", the definition for mundane is "Practical, ordinary.", and the definition for incidental is "Minor."

The definition for advantageous is "Giving an advantage." Used in a sentence: The house's location in the best school district was advantageous to the seller. The definition for inflammatory is "tending to excite anger.", the definition for interminable is "Never ending, or seemingly endless.", and the definition for dubious is "Questionable."

The definition for incongruous is "Not harmonious, incompatible." Used in a sentence: Sadie's cowboy hat was incongruous with her black cocktail dress. The definition for redouble is "to make twice as great.", the definition for epistolary is "Contained or carried on in letters.", and the definition for combustion is "Act of burning."

The definition for untenable is "Not able to be defended." Used in a sentence: Rashid made the untenable statement that George Washington was the second president of the United States. The definition for negate is "to make invalid.", the definition for gargantuan is "Gigantic.", and the definition for meticulous is "Extrememly careful regarding details."