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 fickle is "lacking constancy, changeable.", the definition for mediate is "To come between parties in order to reconcile.", and the definition for retroactive is "effective as of a prior time or condition."

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 prudent is "marked by wisdom, shrewd.", the definition for appraise is "To evaluate the worth of.", and the definition for frugal is "Thrifty, cheap."

The definition for flagrant is "Noticeably offensive." Used in a sentence: The executive was fired for his flagrant abuse of the company expense account. The definition for archaic is "characteristic of an earlier time.", the definition for camaraderie is "Spirit of friendship.", and the definition for condone is "To treat as acceptable."

The definition for fragile is "Delicate." Used in a sentence: Jade placed the fragile vase out of reach of her rambunctious boys. The definition for deferment is "the act of delaying.", the definition for prominence is "Importance.", and the definition for placebo is "An inactive substance used in medical testing."

The definition for implement is "To carry out or accomplish." Used in a sentence: All Randolph needed to implement his plan was a moonless night and a long rope. The definition for intricate is "having complex and interrelated parts.", the definition for fraud is "Trick.", and the definition for serenity is "Calmness."