Dictionary.com
Thesaurus.com

eonism

American  
[ee-uh-niz-uhm] / ˈi əˌnɪz əm /

noun

Psychiatry.
  1. the adoption of feminine mannerisms, clothing, etc., by a male.


eonism British  
/ ˈiːəˌnɪzəm /

noun

  1. psychiatry the adoption of female dress and behaviour by a male See also transvestite

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of eonism

1925–30; after the Chevalier d' Éon (died 1810), Frenchman who posed as a woman

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "eonism" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com