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 surplus is "excess.", the definition for ethical is "Conforming to accepted standards.", and the definition for incumbent is "Necessary as a duty or responsibility."

The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for plaudits is "enthusiastic approval.", the definition for buffoonery is "Foolish behavior.", and the definition for scapegoat is "Someone who bears the blame for others."

The definition for repel is "To resist, reject." Used in a sentence: The soldiers made a massive charge to repel the invaders. The definition for authoritarian is "favoring absolute obedience to authority.", the definition for colossal is "Immense, enormous.", and the definition for servile is "Fearfully submissive."

The definition for revoke is "To cancel by taking back." Used in a sentence: After Kal's father revoked his allowance, he had no money for the movies. The definition for implausible is "unbelievable.", the definition for flaunt is "To display showily.", and the definition for diffident is "Lacking self–confidence."

The definition for demean is "To lower status." Used in a sentence: The embarrassing photograph demeaned the candidate in the eyes of the voters. The definition for stifle is "to repress or discourage.", the definition for comprehensible is "Understandable.", and the definition for augment is "To make greater."