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

China and Russia have done so by invading countries, annexing foreign territory and building artificial islands to stake out huge territorial claims in direct violation of international norms and rulings. Ivo Daalder, Twin Cities, "Ivo Daalder: The real threat to liberalism is the U.S.’ unwillingness to defend it," 15 July 2019 What motivates many protesters are historical grievances over Native Hawaiian rights and cultural practices since the United States annexed the islands in 1898, Pisciotta says. Daniel Clery, Science | AAAS, "Divisive giant telescope cleared for construction on Hawaiian peak," 25 June 2019 Poroshenko campaigned on promises to defeat the rebels in the east and to wrest back control of Crimea, which Russia annexed in 2014 in a move that has drawn sanctions against Russia from the U.S. and the European Union. Yuras Karmanau, The Seattle Times, "Ukraine comedian leads presidential election, runoff likely," 31 Mar. 2019 In 1772, Russia annexed extensive territories east of the Polish-Lithuanian kingdom, while Prussia and Austria did the same in the west and south. National Geographic, "This 'pretender princess' tried to steal Catherine the Great's throne," 6 Aug. 2019 Troublingly, that was Russia’s rationale for annexing Crimea. The Economist, "How the Baltic states spot the Kremlin’s agents," 1 Aug. 2019 The development has since been annexed into Groveland. Martin E. Comas,, "Lake County subdivision residents worry over $4.1M jury award in dispute involving cable, phone service," 26 July 2019 Bettmann Archive/Getty Images The United States refused to return the queen her authority, and within 10 years, Hawaii was annexed to the United States under a joint resolution of Congress when efforts to pass a treaty of annexation failed. Trisha Kehaulani Watson-sproat, Vox, "Why Native Hawaiians are fighting to protect Maunakea from a telescope," 24 July 2019 Town officials said that incorporation would protect land from being annexed, protect the community borders and the municipality's tax base. Cathy Kozlowicz, Milwaukee Journal Sentinel, "Lisbon officials want to incorporate the town as a village, but agree to discuss a cooperative plan with Sussex," 10 July 2019

Recent Examples on the Web: Noun

One small group had set up what amounted to a Dawg Pound annex at the end of one practice field and provided player introductions. Scott Patsko,, "Cleveland Browns first day of training camp 2019: Winners and losers," 25 July 2019 Last week, Disney announced the opening of another extension at Disney World in Orlando, Fla., a follow-up to its massive Avatar annex. Austin Carr, Los Angeles Times, "Disneyland is tracking guests and generating big profits doing it," 15 July 2019 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., "Vendors see bittersweet change in Beaverton’s Curiosities Vintage mall move," 25 July 2019 In 2016, former President Barack Obama included $9.9 million for the complex targeting the annex, built in 1992. Kenneth R. Gosselin,, "Downtown Hartford in line for new federal courthouse, replacing outdated space in Ribicoff building," 19 July 2019 The courtyard will also be more open because an exterior wall of the annex is being torn down. Anna Beahm |,, "New Ideal changes loft plans," 16 July 2019 Friedman declined to say how the United States would respond if Netanyahu moved to annex West Bank land unilaterally. David M. Halbfinger,, "US ambassador says Israel has right to annex parts of West Bank," 8 June 2019 By the end of next year, the compound is to be expanded to include an interim embassy annex providing more office space for the ambassador and his team. Isabel Kershner, New York Times, "A Quiet Jerusalem Neighborhood Gets a U.S. Embassy, and a Spotlight," 26 Feb. 2018 Voters will not, however, be asked for an even higher tax hike and bond issue to include a Longmont Public Library annex in the aquatics center proposal, council members decided — also unanimously — during Tuesday’s study session. John Fryar, The Denver Post, "Longmont City Council OKs putting taxes, bonds for aquatics center on ballot," 31 July 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

2 Sep 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

What made you want to look up annex? Please tell us where you read or heard it (including the quote, if possible).


one from the Upper Peninsula of Michigan

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