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 proximity is "closeness.", the definition for raspy is "rough, grating.", and the definition for epistolary is "Contained or carried on in letters."

The definition for civility is "Politeness." Used in a sentence: The usually unruly Thomas acted with great civility when his favorite uncle visited. The definition for buffer is "protective barrier.", the definition for compulsion is "An irresistible impulse.", and the definition for buffoonery is "Foolish behavior."

The definition for salvage is "To save from ruin." Used in a sentence: After the fire, Mrs. Han tried to salvage her family photos from the wreckage. The definition for rehash is "to discuss again.", the definition for drub is "To defeat decisively.", and the definition for precept is "A general rule of action."

The definition for inflammatory is "Tending to excite anger." Used in a sentence: Garth's inflammatory remarks at the party made Gwen furious. The definition for impenitent is "lacking remorse.", the definition for derivative is "Lacking originality.", and the definition for extol is "To praise highly."

The definition for iridescent is "Having a lustrous or attractivve quality." Used in a sentence: The movie star's iridescent presence charmed even the hardened reporter. The definition for abate is "become less in amount or intensity.", the definition for precept is "A general rule of action.", and the definition for dubious is "Questionable."