an·​nex | \ ə-ˈneks How to pronounce annex (audio) , ˈa-ˌneks How to pronounce annex (audio) \
annexed; annexing; annexes

Definition of annex

 (Entry 1 of 2)

transitive verb

1 : to attach as a quality, consequence, or condition Many privileges were annexed exclusively to royalty.
2 archaic : to join together materially : unite
3 : to add to something earlier, larger, or more important annexed a bibliography to the thesis
4 : to incorporate (a country or other territory) within the domain of a state The U.S. annexed Texas in 1845.
5 : to obtain or take for oneself


an·​nex | \ ˈa-ˌneks How to pronounce annex (audio) , -niks \

Definition of annex (Entry 2 of 2)

: something annexed as an expansion or supplement: such as
a : an added stipulation or statement : appendix approved the annex in the treaty
b : a building that is attached to or near a larger building and usually used as part of it : wing Historical photographs were on view in the library's annex.

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Synonyms & Antonyms for annex

Synonyms: Verb

Synonyms: Noun

Antonyms: Verb

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Examples of annex in a Sentence

Verb The United States annexed Texas in 1845. The government planned to annex the islands. Noun The addition will be used as an annex to the library. We store our old files in the annex. an annexe to the document
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Recent Examples on the Web: Verb To date, all that has been accomplished is Israel suspending plans to annex West Bank territories, a move which would have further inflamed an already combustible dynamic. Editorial Board Star Tribune, Star Tribune, "Abraham Accords mark a Mideast milestone," 17 Sep. 2020 Netanyahu’s threat to annex the West Bank this summer also provided the impetus for the UAE to offer diplomatic recognition in an effort to head off a move that would have set back ties for years. Nick Wadhams,, "Trump Sees Foreign Policy Win in Gulf Nations’ Israel Deal," 15 Sep. 2020 As part of the deal with the UAE, Israel agreed to temporarily halt its controversial plan to annex parts of the West Bank, land that Palestinians see as vital to their hopes of a future state. Deirdre Shesgreen, USA TODAY, "Israel to sign accord with United Arab Emirates and Bahrain at White House ceremony," 15 Sep. 2020 Netanyahu has insisted that Israel’s plans to annex West Bank settlements is only suspended and remains on the table. Arkansas Online, "Trump to preside over historic Arab-Israel recognition deals," 15 Sep. 2020 The precipitating event in the Israeli-UAE deal was Netanyahu’s promise to annex Jewish settlements on the West Bank. Rich Lowry, National Review, "How Trump Defied the Experts and Forged a Breakthrough in the Middle East," 15 Sep. 2020 The Hideout Town Council worked with the developers in an attempt to annex the land across county lines so the town can grow its tax base and have more amenities. Leia Larsen, The Salt Lake Tribune, "Summit County says Wells Fargo illegally sold disputed property to Hideout developers," 2 Sep. 2020 Rockinberg said the county doesn’t need Mount Airy to annex the property in order to acquire water. Shreeya Agarwal,, "Mount Airy residents near 258-acre property concerned about potential development under proposal," 30 Aug. 2020 Manzie was one of three council members to vote against a proposal to annex approximately 13,000 people west of the city limits. al, "Mobile mayor pitches plan to ‘build or renovate 1,000 homes’ by 2026," 3 Sep. 2020 Recent Examples on the Web: Noun Firefighters arrived and spotted smoke coming from an annex building. Michelle Hunter | Staff Writer,, "Crews on the scene of 2-alarm fire at J.C. Ellis Elementary School in Metairie," 15 Sep. 2020 The Olsen Middle School annex, built in 1954 and shuttered in 1994, sits next door to the school that replaced it. Susannah Bryan,, "A school sat abandoned for decades. It might finally be coming down.," 24 Aug. 2020 Contents: Chaparral has two locations, the main store and an annex several doors down, with 7,000 books on the shelves and more in storage. oregonlive, "The ultimate Portland bookstore guide: 30 booksellers every reader should know about," 28 Aug. 2020 So was an annex, followed by other buildings that turned the onetime estate into a proper campus. Mike Scott,, "A tale of extravagance interrupted at the 1849 'Robb's Folly' estate in the Garden District," 27 Aug. 2020 School district officials planned to raze the old annex long ago, but never did. Susannah Bryan,, "A school sat abandoned for decades. It might finally be coming down.," 24 Aug. 2020 The annex contents of Seti’s tomb may have contained similar objects that were probably looted long ago. National Geographic, "This pharaoh's painted tomb was missing its mummy," 25 June 2020 But her candidacy is hindered by critics of her leadership in the aftermath of the deadly 2012 attack on the U.S. diplomatic mission and CIA annex in Benghazi, Libya. Washington Examiner, "'I love him dearly': Susan Rice opens up about Trump-supporting son," 4 Aug. 2020 For Americans, Canada often seems like a northern annex rather than a separate country. National Geographic, "Thinking of driving to Canada this summer? Better ask the locals.," 26 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'annex.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of annex


14th century, in the meaning defined at sense 1


1501, in the meaning defined above

History and Etymology for annex

Verb and Noun

Middle English, from Anglo-French annexer, from annexe attached, from Latin annexus, past participle of annectere to bind to, from ad- + nectere to bind

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Time Traveler for annex

Time Traveler

The first known use of annex was in the 14th century

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Statistics for annex

Last Updated

23 Sep 2020

Cite this Entry

“Annex.” Dictionary, Merriam-Webster, Accessed 24 Sep. 2020.

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More Definitions for annex


How to pronounce annex (audio) How to pronounce annex (audio)

English Language Learners Definition of annex

 (Entry 1 of 2)

: to add (an area or region) to a country, state, etc. : to take control of (a territory or place)


How to pronounce annex (audio)

English Language Learners Definition of annex (Entry 2 of 2)

: a building that is attached to or near a larger building and usually used as part of it
chiefly British : a section or statement added at the end of a document


an·​nex | \ ə-ˈneks How to pronounce annex (audio) , ˈa-ˌneks \
annexed; annexing

Kids Definition of annex

 (Entry 1 of 2)

: to add (something) to something else usually so as to become a part of it The United States annexed Texas and it became a state.


an·​nex | \ ˈa-ˌneks How to pronounce annex (audio) \

Kids Definition of annex (Entry 2 of 2)

: a building or part of a building attached to or near another building and considered part of it a school annex
an·​nex | \ ə-ˈneks, ˈa-ˌneks How to pronounce annex (audio) \

Legal Definition of annex

1 : attach sense 2 correspondence annexed to the petition a greenhouse annexed to the building
2 : to incorporate (as a territory) within a political domain the district annexes only shards of 24 additional parishesHays v. Louisiana, 839 F. Supp. 1188 (1993)

Other Words from annex

annexation \ ˌa-​nek-​ˈsā-​shən How to pronounce annexation (audio) \ noun

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