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 grandiose is "with an affectation of grandeur.", the definition for precept is "A general rule of action.", and the definition for censure is "To find fault with."

The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for pathos is "sympathetic pity.", the definition for accentuate is "To emphasize.", and the definition for elate is "To fill with joy."

The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for heinous is "shockingly evil.", the definition for salvage is "To save from ruin.", and the definition for catastrophic is "Relating to extreme misfortune."

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 facade is "false or superficial appearance.", the definition for eulogy is "Speech or writing in praise of deceased.", and the definition for insolence is "Boldness or rudeness."

The definition for immoderate is "Beyond usual or proper limits." Used in a sentence: Bob's immoderate appetite shocked the guests at the wedding banquet. The definition for inflammatory is "tending to excite anger.", the definition for melodious is "Having a pleasing melody.", and the definition for preclude is "To rule out in advance."