The definition for foil is "One that enhances or underscores by contrast." Used in a sentence: The sweet cookie was a perfect foil to the sour lemon sorbet. The definition for benefactor is "one who offers financial help.", the definition for stern is "Harsh, severe.", and the definition for repel is "To resist, reject."

The definition for penurious is "Extrememly stingy." Used in a sentence: Ebenezer Scrooge was most penurious, refusing to give even a penny to charity. The definition for exasperation is "the state of being irritated.", the definition for dubious is "Questionable.", and the definition for trove is "Valuable collection."

The definition for augment is "To make greater." Used in a sentence: Wanda read the dictionary every night to augment her vocabulary. The definition for epitaph is "brief statement honoring a dead person.", the definition for raspy is "rough, grating.", and the definition for aerate is "To supply with air."

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 duplicity is "deceptive thought, speech, or action.", the definition for accessible is "Easy to reach or to approach.", and the definition for rail is "To scold in harsh language."

The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for interminable is "never ending, or seemingly endless.", the definition for supple is "Flexible.", and the definition for moderate is "Tending toward the average."