The definition for precept is "A general rule of action." Used in a sentence: All the students know Mrs. Brown's strict precept; no talking in class. The definition for fickle is "lacking constancy, changeable.", the definition for intricate is "Having complex and interrelated parts.", and the definition for fidelity is "State of being faithful."

The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for genial is "sympathetic, friendly.", the definition for implement is "To carry out or accomplish.", and the definition for corrosive is "Bitingly sarcastic."

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 demean is "to lower status.", the definition for interminable is "Never ending, or seemingly endless.", and the definition for obnoxious is "Highly offensive."

The definition for demean is "To lower status." Used in a sentence: The embarrassing photograph demeaned the candidate in the eyes of the voters. The definition for implement is "to carry out or accomplish.", the definition for comprehensible is "Understandable.", and the definition for refurbish is "To brighten or freshen."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for implausible is "unbelievable.", the definition for manifest is "Obvious.", and the definition for avian is "Relating to birds."