The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for onset is "beginning.", the definition for preclude is "To rule out in advance.", and the definition for appalling is "Inspiring dismay or disgust."

The definition for proximity is "Closeness." Used in a sentence: The proximity of Tia's house to school meant that she could walk there in five minutes. The definition for authoritarian is "favoring absolute obedience to authority.", the definition for punctual is "On time.", and the definition for demeanor is "Behavior towards others."

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 repentant is "feeling regret.", the definition for heed is "To pay attention to.", and the definition for onset is "Beginning."

The definition for manifest is "Obvious." Used in a sentence: James finally made his affection manifest when he handed Jessica a red rose. The definition for advantageous is "giving an advantage.", the definition for ethical is "Conforming to accepted standards.", and the definition for distortion is "The act of twisting out of shape."

The definition for epistolary is "Contained or carried on in letters." Used in a sentence: The shoebox filled with letters was the ony remains of Ming's epistolary friendship with Emile. The definition for diffident is "lacking self–confidence.", the definition for drab is "Dull, monotonous.", and the definition for rhapsody is "State of great happiness."