The definition for perception is "Capacity for seeing or understanding." Used in a sentence: His incredible perception made him the best detective on the force. The definition for demean is "to lower status.", the definition for rancorous is "Marked by deep ill–will.", and the definition for corrosive is "Bitingly sarcastic."

The definition for repentant is "Feeling regret." Used in a sentence: The repentant Dana admitted to cheating on the test. The definition for derivative is "lacking originality.", the definition for abate is "Become less in amount or intensity.", and the definition for clarity is "Clearness."

The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for insinuate is "to suggest indirectly.", the definition for pantomime is "Telling a story through gestures.", and the definition for revive is "To bring back to life."

The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for rhapsody is "state of great happiness.", the definition for combative is "Eager to fight.", and the definition for precept is "A general rule of action."

The definition for appalling is "Inspiring dismay or disgust." Used in a sentence: Hector found his roommate's habit of leaving his dirty socks on the floor appalling. The definition for gargantuan is "gigantic.", the definition for foil is "One that enhances or underscores by contrast.", and the definition for onset is "Beginning."