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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Other Words from annex


annexation \ ˌa-​ˌnek-​ˈsā-​shən How to pronounce annexation (audio) \ noun
annexational \ -​shnəl How to pronounce annexational (audio) , -​shə-​nᵊl \ adjective
annexationist \ -​sh(ə-​)nist How to pronounce annexationist (audio) \ noun

Synonyms & Antonyms for annex

Synonyms: Verb

add, adjoin, append, subjoin, tack (on)

Synonyms: Noun

addition, extension, penthouse

Antonyms: Verb

abate, bate, deduct, knock off, remove, subtract, take off

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Examples of annex in a Sentence


The United States annexed Texas in 1845. The government planned to annex the islands.


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

The horse-trading began a few months ago when Stillwater officials approached their peers from neighboring Oak Park Heights with a proposal to annex four parcels of land. Mary Divine, Twin Cities, "Stillwater and Oak Park Heights plan property exchange," 6 July 2019 America’s ambassador to Israel, David Friedman, said this month that Israel had the right to annex some territory in the West Bank. The Economist, "An underwhelming start to the “ultimate” Israeli-Palestinian deal," 25 June 2019 David Friedman's remarks in an interview The New York Times published Saturday comes about two months after Israeli Prime Minister Benjamin Netanyahu vowed to begin annexing parts of the West Bank. Fox News, "US ambassador: Israel can retain parts of West Bank," 9 June 2019 Netanyahu promised just before Israel’s April 9 election to begin annexing part of the West Bank, which Israel captured in 1967. David M. Halbfinger,, "US ambassador says Israel has right to annex parts of West Bank," 8 June 2019 At the same time the San Diego LAFCO proceedings would be occurring, Riverside County’s LAFCO would also need to consider annexing the districts into the Eastern Municipal Water District. J. Harry Jones, San Diego Union-Tribune, "Two North County districts contemplating exit from the San Diego County Water Authority," 5 June 2019 The Huntsville city council received initial plans at Thursday's meeting to annex more than 600 acres in Morgan County - which would expand the city's footprint into Morgan County in the area of the Whitesburg Bridge across the Tennessee River. Paul Gattis,, "Huntsville set to cross Tennessee River, annex part of Morgan County," 8 Feb. 2018 Wilson was elected in 1896 to the school board of Hartwell before it was annexed to Cincinnati – two years after women were allowed to serve on school boards. Jessie Balmert,, "100 years ago Ohio ratified the 19th Amendment. Here are 6 women who made suffrage reality," 14 June 2019 Israel captured most of the Golan from Syria in the 1967 war and formally annexed it in 1981. The Editorial Board, WSJ, "Israel’s Golan Heights," 21 Mar. 2019

Recent Examples on the Web: Noun

Beaverton owns the land and its approximately 107,000 square feet of space, including a warehouse and an annex, where Curiosities Vintage mall has been since 2013, Diskin said., "Community fights Beaverton decision to demolish Curiosities Vintage mall for parking," 24 June 2019 The administration has refused to endorse a ‘‘two-state solution,’’ a goal long viewed by many as the only viable way to secure lasting peace, and the 40-page proposal and its longer annex do not use the phrase. Matthew Lee,, "US will present Palestinian economic plan amid global criticism," 24 June 2019 The 3,200-square-foot annex, a few doors down from the Columbia MVA branch at 6490 Dobbin Road, has created 20 new jobs and adds 11 customer-service stations, according to the MVA. Colin Campbell,, "MVA adds temporary office in Columbia for rush of REAL ID appointments as deadline approaches," 18 June 2019 The idea is not to remain an annex to ISS, but to fly the hardware on its own and become a free-flying, for-profit destination. Joe Pappalardo, Popular Mechanics, "A 10-Year Odyssey: What Space Stations Will Look Like in 2030," 10 June 2019 Blinds in three windows in the downtown annex office for Desmond’s staff cost about $7,000 total. San Diego Union-Tribune, "Supervisor budgets $240,000 for office furniture, remodeling," 21 June 2019 The Arizona Capitol Times reports that ideas for the state library’s former home on the third floor of an annex sitting between the 118-year-old copper-domed Capitol and the nine-story Executive Tower are percolating. USA TODAY, "Mural for missing women, ‘Jedi’ cremations, MRI party: News from around our 50 states," 18 June 2019 In an interview with the newspaper published Saturday, David M. Friedman declined to say how the United States would respond if Israeli Prime Minister Benjamin Netanyahu moved to annex West Bank land unilaterally. NBC News, "U.S. Ambassador David Friedman says Israel has the right to annex parts of the West Bank," 8 June 2019 Frogmore Cottage reportedly has a guest annex where her mother, Doria Ragland, is staying. Glamour, "Meghan Markle and Prince Harry Had a Surprise Visit From the Queen at Their New Home," 30 Apr. 2019

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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Statistics for annex

Last Updated

22 Jul 2019

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Time Traveler for annex

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

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More Definitions for annex



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)



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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More from Merriam-Webster on annex

Thesaurus: All synonyms and antonyms for annex

Spanish Central: Translation of annex

Nglish: Translation of annex for Spanish Speakers

Britannica English: Translation of annex for Arabic Speakers

Comments on annex

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to complain fretfully

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