The definition for preclude is "To rule out in advance." Used in a sentence: "Having cake now will preclude dessert later," said Amber's mother. The definition for moderate is "tending toward the average.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for distortion is "The act of twisting out of shape."

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 futile is "without purpose, completely ineffective.", the definition for combustion is "Act of burning.", and the definition for heinous is "Shockingly evil."

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 comparable is "similar, equivalent.", the definition for civility is "Politeness.", and the definition for incongruous is "Not harmonious, incompatible."

The definition for futile is "Without purpose, completely ineffective." Used in a sentence: Arguing with Andrew is futile because he never changes his mind. The definition for placebo is "an inactive substance used in medical testing.", the definition for insolence is "Boldness or rudeness.", and the definition for abate is "Become less in amount or intensity."

The definition for discern is "To recognize as separate as distinct." Used in a sentence: The pastry connoisseur was able to discern Swiss from Belgian chocolate. The definition for naive is "lacking worldy wisdom.", the definition for antidote is "Something that relieves or counteracts.", and the definition for appalling is "Inspiring dismay or disgust."