The definition for dubious is "Questionable." Used in a sentence: Karl found Kevin's claim that he was sick dubious, as he had just seen him playing football. The definition for plaudits is "enthusiastic approval.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for promote is "To contribute to the growth or prosperity of."

The definition for civility is "Politeness." Used in a sentence: The usually unruly Thomas acted with great civility when his favorite uncle visited. The definition for interminable is "never ending, or seemingly endless.", the definition for manifest is "Obvious.", and the definition for discern is "To recognize as separate as distinct."

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 extenuating is "partially excusing.", the definition for defiant is "Showing bold resistance.", and the definition for lenient is "Mild or tolerant."

The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for heinous is "shockingly evil.", the definition for refurbish is "To brighten or freshen.", and the definition for curtail is "To make less."

The definition for disconcert is "To throw into confusion." Used in a sentence: Jennifer's outspoken criticism of the meal disoncerted the waiter. The definition for repentant is "feeling regret.", the definition for implausible is "Unbelievable.", and the definition for exception is "A case to which the rule does not apply."