en femme UK /ɒn ˈfɑm/US /ɑn ˈfɑm/adjective 2adverb 1 adjective2 •Chiefly of a cross-dressing, non-binary, or trans person: dressed in feminine clothing. •Of a situation: suitable for a cross-dressing, non-binary, or trans person to dress in feminine clothing.These Holidays En Femme are for members of Tri-Ess and we welcome prospective members, heterosexual crossdressers, to join with us in our educational and social programs. — 1984 adverb1 •Of a cross-dressing, non-binary, or trans person: while dressed in feminine clothing.Most of them also "love to shop"—especially en femme […] — 2002