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 comprehensible is "understandable.", the definition for meticulous is "Extrememly careful regarding details.", and the definition for corroborate is "To support with evidence."

The definition for incidental is "Minor." Used in a sentence: The accountant advised Justine not to report her incidental expenses. The definition for pretense is "false intention or purpose.", the definition for flourish is "To make bold, sweeping gestures.", and the definition for fickle is "Lacking constancy, changeable."

The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for methodical is "performed in an orderly manner.", the definition for obnoxious is "Highly offensive.", and the definition for dubious is "Questionable."

The definition for penurious is "Extrememly stingy." Used in a sentence: Ebenezer Scrooge was most penurious, refusing to give even a penny to charity. The definition for insinuate is "to suggest indirectly.", the definition for dubious is "Questionable.", and the definition for egotist is "Self–important person."

The definition for implement is "To carry out or accomplish." Used in a sentence: All Randolph needed to implement his plan was a moonless night and a long rope. The definition for garish is "offensively bright.", the definition for demean is "To lower status.", and the definition for insinuate is "To suggest indirectly."