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 cunning is "showing clever insight.", the definition for procrastinate is "To put off intentionally.", and the definition for beneficial is "Helpful."

The definition for ramble is "To wander, physically or in language." Used in a sentence: Professor Tan rambled during his lectures, frequently straying from the subject. The definition for repel is "to resist, reject.", the definition for defiant is "Showing bold resistance.", and the definition for revoke is "To cancel by taking back."

The definition for stifle is "To repress or discourage." Used in a sentence: Amy tried ineffectively to stifle her giggles after she read Susan's note in class. The definition for repentant is "feeling regret.", the definition for refurbish is "To brighten or freshen.", and the definition for pretentious is "Making unjustified claims."

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 comprehensible is "understandable.", the definition for disconcert is "To throw into confusion.", and the definition for accessible is "Easy to reach or to approach."

The definition for demean is "To lower status." Used in a sentence: The embarrassing photograph demeaned the candidate in the eyes of the voters. The definition for accessible is "easy to reach or to approach.", the definition for fragile is "Delicate.", and the definition for hedonism is "Belief that pleasure is the sole aim of life."