The definition for negate is "To make invalid." Used in a sentence: Paula negated Tiffany's argument by proving that her main premise was false. The definition for aerate is "to supply with air.", the definition for appraise is "To evaluate the worth of.", and the definition for ethical is "Conforming to accepted standards."

The definition for heinous is "Shockingly evil." Used in a sentence: Eduardo's heinous betrayal of Lydia shocked even Latasha, who knew his evil ways. The definition for buffoonery is "foolish behavior.", the definition for dubious is "Questionable.", and the definition for polarize is "To break up into opposing groups."

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 insinuate is "to suggest indirectly.", the definition for revoke is "To cancel by taking back.", and the definition for prominence is "Importance."

The definition for euphoria is "Feeling of great happiness." Used in a sentence: Cassandra was overcome with euphoria when she met her long–lost sister. The definition for avian is "relating to birds.", the definition for camaraderie is "Spirit of friendship.", and the definition for buffoonery is "Foolish behavior."

The definition for clarity is "Clearness." Used in a sentence: The refreshing water in the mountain stream was remarkable for its clarity. The definition for repel is "to resist, reject.", the definition for revoke is "To cancel by taking back.", and the definition for iridescent is "Having a lustrous or attractivve quality."