The definition for extant is "Currently existing." Used in a sentence: Some consider Clint Eastwood the greatest extant American director. The definition for comprehensible is "understandable.", the definition for onset is "Beginning.", and the definition for stern is "Harsh, severe."

The definition for perception is "Capacity for seeing or understanding." Used in a sentence: His incredible perception made him the best detective on the force. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for precept is "A general rule of action.", and the definition for curtail is "To make less."

The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for sociable is "inclined to seek companionship.", the definition for derivative is "Lacking originality.", and the definition for benevolent is "Kind, helpful."

The definition for exception is "A case to which the rule does not apply." Used in a sentence: The teacher made an exception and let Gina eat her snack in class. The definition for illuminate is "to make clear.", the definition for periodic is "Occurring at regular intervals.", and the definition for appalling is "Inspiring dismay or disgust."

The definition for advantageous is "Giving an advantage." Used in a sentence: The house's location in the best school district was advantageous to the seller. The definition for trove is "valuable collection.", the definition for melodious is "Having a pleasing melody.", and the definition for authoritarian is "Favoring absolute obedience to authority."