The definition for epistolary is "Contained or carried on in letters." Used in a sentence: The shoebox filled with letters was the ony remains of Ming's epistolary friendship with Emile. The definition for derelict is "abandoned.", the definition for nurture is "To further the development of.", and the definition for punctual is "On time."

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 onset is "beginning.", the definition for oblivious is "Lacking awareness.", and the definition for accessible is "Easy to reach or to approach."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for oblivious is "lacking awareness.", the definition for procrastinate is "To put off intentionally.", and the definition for cunning is "Showing clever insight."

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 egotist is "self–important person.", the definition for oblivious is "Lacking awareness.", and the definition for deferment is "The act of delaying."

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 derivative is "lacking originality.", the definition for disconcert is "To throw into confusion.", and the definition for servile is "Fearfully submissive."