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 raucous is "noisy, rowdy.", the definition for combustion is "Act of burning.", and the definition for garish is "Offensively bright."

The definition for extenuating is "Partially excusing." Used in a sentence: The extenuating circumstance of Calvin's illness caused the teacher to excuse his lateness. The definition for liability is "a person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", the definition for promote is "To contribute to the growth or prosperity of.", and the definition for onset is "Beginning."

The definition for precept is "A general rule of action." Used in a sentence: All the students know Mrs. Brown's strict precept; no talking in class. The definition for regurgitate is "to pour out or throw back.", the definition for precept is "A general rule of action.", and the definition for melee is "A tumultuous fight among several people."

The definition for melodious is "Having a pleasing melody." Used in a sentence: The melodious sounds of the symphony soothed Tim after his trying day. The definition for incumbent is "necessary as a duty or responsibility.", the definition for corrosive is "Bitingly sarcastic.", and the definition for penurious is "Extrememly stingy."

The definition for supple is "Flexible." Used in a sentence: The supple leather coat draped like soft cloth around her shoulders. The definition for serenity is "calmness.", the definition for heinous is "Shockingly evil.", and the definition for insolence is "Boldness or rudeness."