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 aerate is "to supply with air.", the definition for impenitent is "Lacking remorse.", and the definition for grandiose is "With an affectation of grandeur."

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 flourish is "to make bold, sweeping gestures.", the definition for oblivious is "Lacking awareness.", and the definition for grandiose is "With an affectation of grandeur."

The definition for anthology is "A collection of selected literary pieces." Used in a sentence: The writer was thrilled when his story was included in an anthology of American masterpieces. The definition for benevolent is "kind, helpful.", the definition for servile is "Fearfully submissive.", and the definition for inauspicious is "Not favorable."

The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for clairvoyance is "ability to see things beyond ordinary perception.", the definition for distortion is "The act of twisting out of shape.", and the definition for rail is "To scold in harsh language."

The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for incisive is "impressively direct and decisive.", the definition for buffer is "Protective barrier.", and the definition for implausible is "Unbelievable."