The definition for rancorous is "Marked by deep ill–will." Used in a sentence: The rancorous competition between the two chess clubs actually ended in a brawl. The definition for commemorate is "to mark by a ceremony.", the definition for flaunt is "To display showily.", and the definition for incisive is "Impressively direct and decisive."

The definition for archetypal is "Characteristic of the original model or perfect example." Used in a sentence: Shakespeare's sonnets are considered archetypal love poems The definition for disconcert is "to throw into confusion.", the definition for benevolent is "Kind, helpful.", and the definition for catastrophic is "Relating to extreme misfortune."

The definition for prominence is "Importance." Used in a sentence: The singer's prominence ensured that the concert would sell out. The definition for mediate is "to come between parties in order to reconcile.", the definition for preclude is "To rule out in advance.", and the definition for derelict is "Abandoned."

The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for eulogy is "speech or writing in praise of deceased.", the definition for aerate is "To supply with air.", and the definition for flourish is "To make bold, sweeping gestures."

The definition for methodical is "Performed in an orderly manner." Used in a sentence: Oscar's methodical approach exasperated his free–spirited friend Ben. The definition for implement is "to carry out or accomplish.", the definition for extenuating is "Partially excusing.", and the definition for rail is "To scold in harsh language."