The definition for authoritarian is "Favoring absolute obedience to authority." Used in a sentence: Marco's authoritarian mother never allowed him to watch more than one hour of television a day. The definition for avian is "relating to birds.", the definition for obnoxious is "Highly offensive.", and the definition for untenable is "Not able to be defended."

The definition for lurid is "Causing horror, shocking." Used in a sentence: The lurid photos of the crime scene upset the jury. The definition for precept is "a general rule of action.", the definition for derelict is "Abandoned.", and the definition for extant is "Currently existing."

The definition for gruff is "Rough or stern in manner or speech." Used in a sentence: Heidi's grandfather was gruff, barking stern orders and hardly smiling. The definition for stifle is "to repress or discourage.", the definition for preclude is "To rule out in advance.", and the definition for iridescent is "Having a lustrous or attractivve quality."

The definition for euphoria is "Feeling of great happiness." Used in a sentence: Cassandra was overcome with euphoria when she met her long–lost sister. The definition for polarize is "to break up into opposing groups.", the definition for fickle is "Lacking constancy, changeable.", and the definition for accommodate is "To give consideration to."

The definition for mediate is "To come between parties in order to reconcile." Used in a sentence: The diplomatic Henry was able to mediate between the quarreling sisters. The definition for demeanor is "behavior towards others.", the definition for fragile is "Delicate.", and the definition for advantageous is "Giving an advantage."