noun one who defrauds or deceives by pretending to be another person.The man who claimed to be heir to the throne was an impostor. See the full entry

verb to send out sparks.The fire crackled and scintillated. See the full entry

adjective dim or dark; dreary or dismal.The prisoner was led into a gloomy, windowless cell.The sky was gloomy on the morning of the wedding, but it brightened up in time for the…

adjective barely above a minimum standard of quality.The marginal farm land allowed the families a meager existence.Her piano skills are marginal, but her singing voice is quite extraordinary. See the full entry

noun a short tale that teaches a moral lesson, often having animals as the main characters.Possibly the most famous fable by Aesop is “The Tortoise and the Hare.” See the full entry