The definition for regurgitate is "To pour out or throw back." Used in a sentence: The teacher wanted us to examine ideas rather than to regurgitate memorized facts. The definition for raucous is "noisy, rowdy.", the definition for opportune is "Suitable or convenient.", and the definition for heed is "To pay attention to."

The definition for penurious is "Extrememly stingy." Used in a sentence: Ebenezer Scrooge was most penurious, refusing to give even a penny to charity. The definition for buffer is "protective barrier.", the definition for aerate is "To supply with air.", and the definition for plaudits is "Enthusiastic approval."

The definition for fickle is "Lacking constancy, changeable." Used in a sentence: The fickle Senji had a new best friend every month. The definition for raucous is "noisy, rowdy.", the definition for illuminate is "To make clear.", and the definition for rail is "To scold in harsh language."

The definition for ethical is "Conforming to accepted standards." Used in a sentence: Mary did the ethical thing and turned in the diamond necklace she found. The definition for fragile is "delicate.", the definition for mandate is "An official order or commission to do something.", and the definition for facade is "false or superficial appearance."

The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for garish is "offensively bright.", the definition for buffer is "Protective barrier.", and the definition for euphoria is "Feeling of great happiness."