Borrowed from French annexe, from Latin annexus. More at Etymology 2. See also an-.
Meanings
(US) An addition, an extension.
6.2.3.2.2. For aircraft having pressurized cabins, the disinsection of cabins and annexes, cockpit and annexes, is to be carried out after the embarkation of passengers and crew and the closing of the doors and windscreen[.] 1949, World Health Organization, Report on the 1st- Session May 10-15, page 19:
(US) An appendix to a book or document.
(US) An addition or extension to a building.
(US) An addition to the territory of a country or state, from a neighboring country or state, normally by military force.
ja 増築 (addition or extension to a building) · de Beilage (addition, an extension) · pl aneks (addition or extension to a building) · de Nebengebäude (addition or extension to a building) · nl bijlage (addition, an extension) · ru приба́вка (addition, an extension) · fi siipi (addition or extension to a building) · de Erweiterungsbau (addition or extension to a building) · ja 付録 (appendix) · bg допълне́ние (addition, an extension) · nl aanhangsel (appendix) · ml അനുബന്ധം (appendix) · ru дополне́ние (addition, an extension) · de Erweiterung (addition or extension to a building) · de Annex (addition, an extension) · eo alaĵo (addition, an extension) · de Seitengebäude (addition or extension to a building) · no anneks (addition, an extension) · de Annex (appendix) · de Ergänzung (appendix) · es apéndice (appendix) · sv tillägg (appendix) · sv annex (addition or extension to a building) · fi liite (appendix) · sv appendix (appendix) · ca annex (addition or extension to a building) · de Anhängsel (appendix) · et lisa (addition, an extension) · sv annex (addition, an extension) · bg приба́вка (addition, an extension) · sv tillbyggnad (addition or extension to a building) · mk дополну́вање (addition, an extension) · es pabellón (addition or extension to a building) · ca annex (addition, an extension) · pt anexo (appendix) · fa ضمیمه (addition, an extension) · de Zusatz (appendix) · sh а̀некс (addition, an extension) · es anejo (addition or extension to a building) · sh àneks (addition, an extension) · de Ergänzung (addition, an extension) · es anexo (appendix) · de Nebenflügel (addition or extension to a building) · de Zusatz (addition, an extension) · ru фли́гель (addition or extension to a building) · oc annèx (addition, an extension) · fi lisärakennus (addition or extension to a building) · es extensión (appendix) · gd ath-thaigh (addition or extension to a building) · oc annèxe (addition, an extension) · eo alaĵo (appendix) · pt anexo (addition, an extension) · ml അനുബന്ധം (addition, an extension) · eo aneksaĵo (appendix) · ja 別館 (addition or extension to a building) · de Anhang (addition, an extension) · es anexo (addition, an extension) · sv bilaga (addition, an extension) · ru крыло́ (addition or extension to a building) · eo anekso (appendix) · de Seitenflügel (addition or extension to a building) · eo aneksaĵo (addition, an extension) · pt puxadinho (addition or extension to a building) · da bilag (addition, an extension) · pl aneks (addition, an extension) · es anexo (addition or extension to a building) · pl aneks (appendix) · de Zubau (addition or extension to a building) · ru пристро́йка (addition or extension to a building) · pt anexo (addition or extension to a building) · de Erweiterung (addition, an extension) · de Beiheft (addition, an extension) · fr annexe (addition or extension to a building) · sv flygel (addition or extension to a building) · eo aneksaĵo (addition or extension to a building) · bg пристро́йка (addition or extension to a building) · de Appendix (appendix) · de Nachtrag (appendix) · ja 付加物 (addition, an extension) · de Anbau (addition or extension to a building) · ru приложе́ние (appendix) · es anejo (addition, an extension) · es anejo (appendix) · mk дополне́ние (addition, an extension) · fr annexe (addition, an extension) · de Anhang (appendix) · sv bilaga (appendix) · kl bilagi (addition, an extension) · ja 付属 (addition, an extension) · sv tillägg (addition, an extension) · hu függelék (addition, an extension) · nl uitbouw (addition or extension to a building) · fi laajennus (addition, an extension) · de Fortsatz (appendix) · bg приложе́ние (appendix) · fi lisäys (addition, an extension)
From Middle English annexen, anexen, from Old French annexer (“to join”), from Medieval Latin annexāre, infinitive of annexō, frequentative of Latin annectō (“bind to”), from ad (“to”) + nectō (“tie, bind”). Compare the rare annect. Doublet of adnex.
Meanings
(US) To add something to another thing, especially territory; to incorporate.
In 1910, he returned to Korea, which had by this time been annexed by Japan. 2009, Wikipedia:Syngman Rhee:
The ancient city of Petra was annexed by Rome.
(US) To attach or connect, as a consequence, condition, etc.
Under Edward the Second, the Commons began to annex petitions to the bills by which they granted subsidies 1793, John Horne Tooke, The Constitution of England:
to annex a penalty to a prohibition, or punishment to guilt
Annexed to my feeling of guilt was a sense of having let my familiy down.
(US, intransitive) To join; to be united.
(US) To take something without permission (informal)
I returned to resume my place but my assistant had already annexed my chair.
lt aneksuoti (to add something to another, to incorporate into) · mi taunaha (to add something to another, to incorporate into) · be далучы́ць (to add something to another, to incorporate into) · de sich einverleiben (to add something to another, to incorporate into) · oc annexar (to add something to another, to incorporate into) · sh припа́јати (to add something to another, to incorporate into) · nb annektere (to add something to another, to incorporate into) · sh припо̀јити (to add something to another, to incorporate into) · tr katmak (to add something to another, to incorporate into) · de anfügen (to add something to another, to incorporate into) · ru присоединя́ть (to add something to another, to incorporate into) · hu annektál (to add something to another, to incorporate into) · hu hozzácsatol (to add something to another, to incorporate into) · be анексі́раваць (to add something to another, to incorporate into) · da annektere (to add something to another, to incorporate into) · ckb خستنە سەر (to add something to another, to incorporate into) · es anejar (to add something to another, to incorporate into) · et annekteerima (to add something to another, to incorporate into) · sl anektirati (to add something to another, to incorporate into) · es anexionar (to add something to another, to incorporate into) · pt anexar (to add something to another, to incorporate into) · cmn 兼併 /兼并 (to add something to another, to incorporate into) · fr annexer (to add something to another, to incorporate into) · eo aneksi (to add something to another, to incorporate into) · de anheften (to add something to another, to incorporate into) · sh anektírati (to add something to another, to incorporate into) · sv införliva (to add something to another, to incorporate into) · uk приєдна́ти (to add something to another, to incorporate into) · nl annexeren (to add something to another, to incorporate into) · pl anektować (to add something to another, to incorporate into) · de annektieren (to add something to another, to incorporate into) · tr bağlamak (to add something to another, to incorporate into) · ko 병합하다 (to add something to another, to incorporate into) · ja 組み入れる (to add something to another, to incorporate into) · cmn 吞併 /吞并 (to add something to another, to incorporate into) · be анэксава́ць (to add something to another, to incorporate into) · lv anektēt (to add something to another, to incorporate into) · cmn 併吞 /并吞 (to add something to another, to incorporate into) · cs připojit (to add something to another, to incorporate into) · es anexar (to add something to another, to incorporate into) · ja 編入する (to add something to another, to incorporate into) · uk приє́днувати (to add something to another, to incorporate into) · de sich aneignen (to add something to another, to incorporate into) · uk анексува́ти (to add something to another, to incorporate into) · de aneignen (to add something to another, to incorporate into) · bg присъединя́вам (to add something to another, to incorporate into) · tr eklemek (to add something to another, to incorporate into) · pl zaanektować (to add something to another, to incorporate into) · sh pripòjiti (to add something to another, to incorporate into) · ru аннекси́ровать (to add something to another, to incorporate into) · ru присоедини́ть (to add something to another, to incorporate into) · bg анекси́рам (to add something to another, to incorporate into) · sv annektera (to add something to another, to incorporate into) · bg присъединя́ (to add something to another, to incorporate into) · sh анекти́рати (to add something to another, to incorporate into) · nl inlijven (to add something to another, to incorporate into) · ca annexar (to add something to another, to incorporate into) · sh pripájati (to add something to another, to incorporate into) · de angliedern (to add something to another, to incorporate into) · tr ilhak etmek (to add something to another, to incorporate into) · de beifügen (to add something to another, to incorporate into) · be далуча́ць (to add something to another, to incorporate into) · ro a anexa (to add something to another, to incorporate into) · ja 併合する (to add something to another, to incorporate into) · de anhängen (to add something to another, to incorporate into) · mi āpiti (to add something to another, to incorporate into) · af annekseer (to add something to another, to incorporate into) · be анексава́ць (to add something to another, to incorporate into) · mk анекти́ра (to add something to another, to incorporate into) · sk pripojiť (to add something to another, to incorporate into) · fi liittää (to add something to another, to incorporate into) · de einverleiben (to add something to another, to incorporate into) · cs anektovat (to add something to another, to incorporate into) · sk anektovať (to add something to another, to incorporate into)