annexation

noun

an·​nex·​a·​tion ˌa-ˌnek-ˈsā-shən 

plural annexations

1

: the act of annexing something or the state of being annexed : the addition of an area or region to a country, state, etc.

The Senate rejected the Hawaiian reciprocity treaty, the purchase of the Virgin Islands from Denmark, the annexation of Santo Domingo and the annexation of Samoa.

—Arthur M. Schlesinger, Jr.

In the early part of the 20th century, Chinese writers generally dated the annexation of Tibet to the 18th century.

—Elliot Sperling

2

: something that is annexed

… defended their annexations with fire and sword.

—George Bernard Shaw

annexational

ˌa-ˌnek-ˈsā-sh(ə-)nəl 

adjective

annexationist

ˌa-ˌnek-ˈsā-sh(ə-)nist 

noun

Examples of annexation in a Sentence

Recent Examples on the Web

China’s annexation of Tibet in 1950–51 marked the first major turning point in relations between India and China. — Encyclopedia Britannica, 22 July 2026

Trump’s Gaza peace plan and ceasefire framework explicitly ruled out Israeli occupation or annexation of Gaza. — Tal Shalev, CNN Money, 20 July 2026

Planning and Zoning Commission members on May 18 voted in a tie, which meant a denial of the application under a conditional use permit, but the owners pressed forward seeking an annexation with a development agreement instead. — Noah Daly july 17, Idaho Statesman, 17 July 2026

Prior to Russia being excluded from the G8 in 2014 following its annexation of Crimea, parts of Europe were directly dependent on Russia for oil and gas. — Sasha Rogelberg, Fortune, 16 July 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for annexation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation