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

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 History: First subdivided in the 1880s real estate boom but not actively developed until the 1920s, Normal Heights was annexed to the city in 1925. San Diego Union-Tribune, "Normal Heights, Kensington: Original ‘streetcar suburbs’ have retained their charm," 30 June 2019 More than 1,000 acres of land in Damascus has annexed into Happy Valley during the three years residents thought the city was over., "Bill to end zombie city Damascus sent to Oregon governor’s desk," 25 June 2019 The city of Gulf Shores plans to pre-zone the 13.9 acres at Jasmine Trails Apartments at 19451 Oak Road East in Gulf Shores to multi-family low density and then automatically annex the property into the city, according to city records. Kathy Jumper,, "Investors buy mobile home park," 24 June 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., "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 The last edition, published a year before his death, contains 389 poems and two annexes. Anne Quito, Quartzy, "In 1855, Walt Whitman published his own declaration of independence," 4 July 2019 An eight-story, 247,000-square-foot garage annex at Phoenix Tower is slated for completion in late 2019. Houston Chronicle, "Golf out, lounging in at renovated Greenway Plaza Sky Terrace," 5 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

19 Aug 2019

Look-up Popularity

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).


a usually brief trip or an expedition

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