外

Slang; Abbr. of ＦＦ外から失礼します; used on twitter

apologies for writing to you without either of us following the other

Internet slang; Derogatory

person who argues that everything is better abroad (esp. football); self-hating Japanese

person from outside the prefecture; people from other prefectures

(Japanese) children living overseas

Law

common external tariff; CET

Medicine

extracorporeal membrane oxygenation; ECMO

outdoor swimming pool

overseas job transfer; international job relocation

living abroad; life overseas

Business

outside director; independent director

Business

external auditor

license plate issued in another prefecture

overseas dispatch (e.g. of the Japan Self-Defense Forces)

outside (the metropolis of) Tokyo

not being in charge (e.g. of a class, in the case of music, art, etc. teachers)

outside an office, laboratory, power plant, etc.

field research; field investigation; field survey

list of 1,022 non-jōyō kanji commonly used in print

neutralism

outside Hokkaido

residing abroad

Physics

ultraviolet rays; ultraviolet radiation

Medicine

pericarditis

Fishing

disgorger