The act or practice of dressing in costume, often homemade, to resemble or portray a fictional character, especially from science fiction, fantasy, manga, or anime.
v. cos·played, cos·play·ing, cos·plays
To engage in cosplay.
To portray (a character) through cosplay: She cosplayed her favorite superhero at a comic book convention.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.