The definition for combative is "Eager to fight." Used in a sentence: The teacher suggested the combative student channel his aggression into boxing. The definition for defiant is "showing bold resistance.", the definition for adversary is "One who opposes or resists.", and the definition for diffident is "Lacking self–confidence."

The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for duplicity is "deceptive thought, speech, or action.", the definition for combative is "Eager to fight.", and the definition for negate is "To make invalid."

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 appraise is "to evaluate the worth of.", the definition for procrastinate is "To put off intentionally.", and the definition for surplus is "Excess."

The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for implausible is "unbelievable.", the definition for revive is "To bring back to life.", and the definition for composed is "Calm."

The definition for obnoxious is "Highly offensive." Used in a sentence: The manager asked the obnoxious diner to leave the restaurant. The definition for genial is "sympathetic, friendly.", the definition for buffoonery is "Foolish behavior.", and the definition for demean is "To lower status."