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 exasperation is "the state of being irritated.", the definition for serenity is "Calmness.", and the definition for pretense is "False intention or purpose."

The definition for gravity is "Importance, significance." Used in a sentence: Understanding the gravity of his error, Ken offered his humblest apology. The definition for turpitude is "essential baseness, depravity.", the definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", and the definition for mandate is "An official order or commission to do something."

The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for beneficial is "helpful.", the definition for stern is "Harsh, severe.", and the definition for cunning is "Showing clever insight."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for plaudits is "enthusiastic approval.", the definition for impenitent is "Lacking remorse.", and the definition for regurgitate is "To pour out or throw back."

The definition for hedonism is "Belief that pleasure is the sole aim of life." Used in a sentence: The hedonism of the emperoro, who spent all his time giving parties, caused his downfall. The definition for indecorous is "in bad taste.", the definition for promote is "To contribute to the growth or prosperity of.", and the definition for avian is "Relating to birds."