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 eulogy is "speech or writing in praise of deceased.", the definition for punctual is "On time.", and the definition for compulsion is "An irresistible impulse."

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 repentant is "feeling regret.", the definition for preclude is "To rule out in advance.", and the definition for prune is "To reduce by removing excess."

The definition for hedonism is "Belief that pleasure is the sole aim of life." Used in a sentence: The hedonism of the emperoro, who spent all his time giving parties, caused his downfall. The definition for clarity is "clearness.", the definition for appalling is "Inspiring dismay or disgust.", and the definition for ethical is "Conforming to accepted standards."

The definition for ecstatic is "Overwhelmingly emotional." Used in a sentence: They were ecstatic when their team won the championship game in the last second. The definition for drab is "dull, monotonous.", the definition for servile is "Fearfully submissive.", and the definition for flaunt is "To display showily."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for demean is "to lower status.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for demeanor is "Behavior towards others."