The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for revive is "to bring back to life.", the definition for accentuate is "To emphasize.", and the definition for beneficial is "Helpful."

The definition for serenity is "Calmness." Used in a sentence: The serenity of the glassy sea soothed the sailors after the big storm. The definition for pretentious is "making unjustified claims.", the definition for appalling is "Inspiring dismay or disgust.", and the definition for derivative is "Lacking originality."

The definition for flaunt is "To display showily." Used in a sentence: Sheila, who could not resist bragging, flaunted the "A" marked on her test paper. The definition for scamper is "to run quickly.", the definition for immoderate is "Beyond usual or proper limits.", and the definition for duplicity is "Deceptive thought, speech, or action."

The definition for repel is "To resist, reject." Used in a sentence: The soldiers made a massive charge to repel the invaders. The definition for intricate is "having complex and interrelated parts.", the definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", and the definition for polarize is "To break up into opposing groups."

The definition for refurbish is "To brighten or freshen." Used in a sentence: Leeanne cleaned and mended all weekend to refurbish the shabby apartment. The definition for dubious is "questionable.", the definition for drub is "To defeat decisively.", and the definition for accessible is "Easy to reach or to approach."