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 incumbent is "necessary as a duty or responsibility.", the definition for serenity is "Calmness.", and the definition for eulogy is "Speech or writing in praise of deceased."

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 regurgitate is "to pour out or throw back.", the definition for hedonism is "Belief that pleasure is the sole aim of life.", and the definition for drab is "Dull, monotonous."

The definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage." Used in a sentence: Kevin's growing fatigue was a liability as he attempted to climb the steep hill. The definition for fidelity is "state of being faithful.", the definition for rancorous is "Marked by deep ill–will.", and the definition for redouble is "To make twice as great."

The definition for turmoil is "Extreme confusion, agitation." Used in a sentence: The windstorm caused such turmoil in the lake that the sailboat capsized. The definition for supple is "flexible.", the definition for pathos is "Sympathetic pity.", and the definition for ethical is "Conforming to accepted standards."

The definition for comprehensible is "Understandable." Used in a sentence: Shannon spoke slowly so her directions would be comprehensible to her foreign visitor. The definition for grandiose is "with an affectation of grandeur.", the definition for extenuating is "Partially excusing.", and the definition for flaunt is "To display showily."