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 nurture is "to further the development of.", the definition for avian is "Relating to birds.", and the definition for oblivious is "Lacking awareness."

The definition for apathetic is "Showing little or no emotion." Used in a sentence: Carmine was concerned about his usually cheerful brother's apathetic attitude. The definition for commemorate is "to mark by a ceremony.", the definition for corrosive is "Bitingly sarcastic.", and the definition for heed is "To pay attention to."

The definition for fickle is "Lacking constancy, changeable." Used in a sentence: The fickle Senji had a new best friend every month. The definition for corrective is "intended to correct.", the definition for buffer is "Protective barrier.", and the definition for moderate is "Tending toward the average."

The definition for embellish is "To decorate." Used in a sentence: Sari embellished the plain curtains with satin ribbons and tassels. The definition for epitaph is "brief statement honoring a dead person.", the definition for negate is "To make invalid.", and the definition for pathos is "Sympathetic pity."

The definition for methodical is "Performed in an orderly manner." Used in a sentence: Oscar's methodical approach exasperated his free–spirited friend Ben. The definition for demean is "to lower status.", the definition for periodic is "Occurring at regular intervals.", and the definition for elate is "To fill with joy."