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 Once the sanitary sewers are installed and connected, the Crown Point will annex these areas, according to the plan. Alexandra Kukulka,, 2 Sep. 2021 The council, in April 2019, voted to annex the subdivision. al, 26 Aug. 2021 Also, the city of Semmes continues its continued efforts to annex properties into its relatively new city. al, 21 July 2021 Arrowhead Union High School District, which is in the town of Merton, has withdrawn its request to annex its campus and the farmland immediately north of it into the village of Hartland. Evan Frank, Milwaukee Journal Sentinel, 5 May 2021 The property is currently located in the unincorporated area of San Diego County, but the developer seeks to annex the land into Escondido as part of the approval process. Joe Tash, San Diego Union-Tribune, 25 Apr. 2021 The push to annex the property into the town limits was to gain access to its utilities, but there was precedent for homes outside of town limits to get access to its water and sewer services. James Whitlow,, 3 Aug. 2021 In 1893, a group of white sugar planters overthrew Hawaiian Queen Liliuokalani, paving way for the U.S. to annex the islands five years later. NBC News, 27 July 2021 Annexation While the mayoral candidates did not weigh in, the issue of allowing residents to vote on whether to annex unincorporated properties into the city of Mobile is a hot issue heading into the municipal election. al, 21 July 2021 Recent Examples on the Web: Noun Mills also stopped a request to the county, made by MetroHealth and then-Cuyahoga County Sheriff Clifford Pinkney, for money to hire nurses for the jail’s Euclid annex, prosecutors said. Cory Shaffer, cleveland, 8 Sep. 2021 The event will span all three of the Mitchell Park Domes (floral show, desert and tropical) and its annex. Hannah Kirby, Milwaukee Journal Sentinel, 23 Aug. 2021 Plus, headquarters also has its own social-distancing requirements — so the company created an annex to house them. Washington Post, 23 July 2021 Museum Director Cody Hartley said the existing museum will become an annex, but officials could later decide not to use the current building. From Usa Today Network And Wire Reports, USA TODAY, 14 June 2021 Armstrong is also working on a new annex of The Lobster, a Santa Monica food trailer with lobster rolls, ceviches, crudos, smash burgers, hot dogs, beer and cocktails. Andy Wang, Robb Report, 25 Aug. 2021 After a year of civil disobedience and violent clashes between police and pro-democracy forces the mainland government silenced protests by injecting the National Security Law into an annex of Hong Kong’s mini-constitution. Patrick Frater, Variety, 24 Aug. 2021 An annex of the nonprofit Arts Center, the new museum is the first of its kind, focused on conserving and displaying the objects that amassed around artists who just couldn't stop making, Wisconsin Public Radio reported. Megan Hart, Star Tribune, 26 June 2021 Toxicology officials initially hoped to reoccupy the annex after BioClean decontaminated it. Lewis Kamb, Star Tribune, 31 July 2021

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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Last Updated

12 Sep 2021

Cite this Entry

“Annex.” Dictionary, Merriam-Webster, Accessed 18 Sep. 2021.

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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
: a section or statement added at the end of a document : appendix


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


transitive verb
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 annex (audio) \ noun

More from Merriam-Webster on annex

Nglish: Translation of annex for Spanish Speakers

Britannica English: Translation of annex for Arabic Speakers


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