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 comparable is "similar, equivalent.", the definition for condone is "To treat as acceptable.", and the definition for incongruous is "Not harmonious, incompatible."

The definition for frugal is "Thrifty, cheap." Used in a sentence: The frugal shopper only bought items that were on sale. The definition for naive is "lacking worldy wisdom.", the definition for disdain is "Feeling of contempt.", and the definition for ecstatic is "Overwhelmingly emotional."

The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for incumbent is "necessary as a duty or responsibility.", the definition for heed is "To pay attention to.", and the definition for indecorous is "In bad taste."

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 corrosive is "bitingly sarcastic.", the definition for ploy is "A contrived plan.", and the definition for obnoxious is "Highly offensive."

The definition for regurgitate is "To pour out or throw back." Used in a sentence: The teacher wanted us to examine ideas rather than to regurgitate memorized facts. The definition for euphoria is "feeling of great happiness.", the definition for extol is "To praise highly.", and the definition for belated is "Past the normal or proper time."