The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for extenuating is "partially excusing.", the definition for salvage is "To save from ruin.", and the definition for epistolary is "Contained or carried on in letters."

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 derelict is "abandoned.", the definition for rhapsody is "State of great happiness.", and the definition for derivative is "Lacking originality."

The definition for pallid is "Lacking color." Used in a sentence: The nurse was worried by the patient's pallid face and shallow breathing. The definition for incidental is "minor.", the definition for demean is "To lower status.", and the definition for camaraderie is "Spirit of friendship."

The definition for polarize is "To break up into opposing groups." Used in a sentence: Thelma tended to polarize discussions rather than to encourage compromise. The definition for prominence is "importance.", the definition for composed is "Calm.", and the definition for indecorous is "In bad taste."

The definition for stifle is "To repress or discourage." Used in a sentence: Amy tried ineffectively to stifle her giggles after she read Susan's note in class. The definition for archaic is "characteristic of an earlier time.", the definition for inauspicious is "Not favorable.", and the definition for belated is "Past the normal or proper time."