SAT GRE TOEFL pseudonym Definition A false or fictitious name, especially one used by an author. Example "Mark Twain is a pseudonym for Samuel Clemens." Sign in to save SAT PDF — $25 GRE PDF — $25 TOEFL PDF — $25 ← psalm psyche → Study tips featuring "pseudonym" Write GRE Words Into Your Own Sentences TOEFL Academic Vocabulary: Study by Topic How Context Clues Save You on the SAT Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal