The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for scapegoat is "someone who bears the blame for others.", the definition for impenitent is "Lacking remorse.", and the definition for inauspicious is "Not favorable."

The definition for untenable is "Not able to be defended." Used in a sentence: Rashid made the untenable statement that George Washington was the second president of the United States. The definition for disconcert is "to throw into confusion.", the definition for ramble is "To wander, physically or in language.", and the definition for garish is "Offensively bright."

The definition for gruff is "Rough or stern in manner or speech." Used in a sentence: Heidi's grandfather was gruff, barking stern orders and hardly smiling. The definition for aerate is "to supply with air.", the definition for buffoonery is "Foolish behavior.", and the definition for distortion is "The act of twisting out of shape."

The definition for intricate is "Having complex and interrelated parts." Used in a sentence: The intricate poem baffled most readers with its numerous obscure metaphors. The definition for frugal is "thrifty, cheap.", the definition for flaunt is "To display showily.", and the definition for awe is "Emotion combining dread and wonder."

The definition for gargantuan is "Gigantic." Used in a sentence: The gargantuan monster towered over the ten–story bulding. The definition for civility is "politeness.", the definition for futile is "Without purpose, completely ineffective.", and the definition for corroborate is "To support with evidence."