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 awe is "emotion combining dread and wonder.", the definition for demean is "To lower status.", and the definition for duplicity is "Deceptive thought, speech, or action."

The definition for mundane is "Practical, ordinary." Used in a sentence: The flighty Caroline could not be troubled with mundane tasks such as paying her bills. The definition for retroactive is "effective as of a prior time or condition.", the definition for regale is "To amuse.", and the definition for avian is "Relating to birds."

The definition for pretentious is "Making unjustified claims." Used in a sentence: The pretentious boy said that he was the fastest runner, but he finished last in the race. The definition for appalling is "inspiring dismay or disgust.", the definition for exception is "A case to which the rule does not apply.", and the definition for indecorous is "In bad taste."

The definition for untenable is "Not able to be defended." Used in a sentence: Rashid made the untenable statement that George Washington was the second president of the United States. The definition for extant is "currently existing.", the definition for distortion is "The act of twisting out of shape.", and the definition for rancorous is "Marked by deep ill–will."

The definition for naive is "Lacking worldy wisdom." Used in a sentence: The naive Simon assumed that everyone was as simple and kind as he was. The definition for disconcert is "to throw into confusion.", the definition for procrastinate is "To put off intentionally.", and the definition for turpitude is "Essential baseness, depravity."