The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for drub is "to defeat decisively.", the definition for untenable is "Not able to be defended.", and the definition for camaraderie is "Spirit of friendship."

The definition for gravity is "Importance, significance." Used in a sentence: Understanding the gravity of his error, Ken offered his humblest apology. The definition for drab is "dull, monotonous.", the definition for gravity is "Importance, significance.", and the definition for civility is "Politeness."

The definition for equitable is "Fair and equal." Used in a sentence: The judge made an equitable decision dividing the estate evenly among the sisters. The definition for flaw is "an imperfection.", the definition for futile is "Without purpose, completely ineffective.", and the definition for aerate is "To supply with air."

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 adversary is "one who opposes or resists.", the definition for indecorous is "In bad taste.", and the definition for commemorate is "To mark by a ceremony."

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 drab is "dull, monotonous.", the definition for incidental is "Minor.", and the definition for elusive is "Hard to grasp."