Synonyms of annex

annex 1 of 2

noun

ˈa-ˌneks 

as in addition

a smaller structure added to a main building

a new annex that will serve as the permanent home for the school library

Synonyms & Similar Words

• addition
• extension
• penthouse
• wing
• ell
• arm

annex

2 of 2

verb

ə-ˈneks 

as in to add

to join (something) to a mass, quantity, or number so as to bring about an overall increase

plans to annex the supply room so as to make the classroom bigger

Synonyms & Similar Words

• add
• adjoin
• append
• tack (on)
• expand
• introduce
• subjoin
• attach
• insert
• affix
• augment
• compound
• increase
• tie
• extend
• supplement
• enlarge
• inject
• tag
• complement
• infuse
• supply
• escalate
• enforce
• enhance
• graft
• reinforce
• prolong
• amplify
• multiply
• intensify
• fasten
• hitch
• swell (up)
• lengthen
• fix
• elongate
• boost
• aggrandize
• beef (up)
• interfuse
• reenforce
• heighten
• protract
• maximize
• strengthen
• raise
• magnify

Antonyms & Near Antonyms

• separate
• remove
• deduct
• subtract
• take off
• abate
• detach
• cut
• disconnect
• reduce
• knock off
• contract
• excise
• lower
• sever
• bate
• decrease
• diminish
• amputate
• lessen
• curtail
• abridge
• unfasten
• shorten
• disjoin
• cut back
• lop (off)
• abbreviate
• compress
• condense
• constrict
• retrench

Example Sentences

Recent Examples of annex

Noun

Well positioned within the Warehouse District, this elegant hotel (formerly Maison de la Luz) was built in the early 1900s and served as an annex to New Orleans's former city hall. —Nicole Kliest, Vogue, 24 Dec. 2024

She had been tasked with removing a pile of rubble blocking an entrance to the annex of Structure 12. —Peter Ross, Smithsonian Magazine, 8 Jan. 2025

Verb

But With Key Difference In 2014, during Barack Obama's presidency, Russia annexed Crimea after Ukraine's pro-Kremlin leader was ousted. —Thomas G. Moukawsher, Newsweek, 12 Feb. 2025

But this dull game was complemented by a pregame show in which the U.S. president spoke of annexing Canada, a halftime show that needed a Gen Z translator and a batch of overwrought corporate commercials preaching religion, patriotism and the NFL. —Paul Sullivan, Sun Sentinel, 11 Feb. 2025