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

Elijah Nouvelage / Bloomberg via Getty Images City officials had emphasized that the annexation would not have raised the millage rate for residents or businesses. —Cbs News Atlanta Digital Team, CBS News, 20 May 2026

City Manager James Hotopp says the city ultimately decided annexation wasn’t in Weatherford’s best interest. —Emily Holshouser. Produced With Ai Assistance, Fort Worth Star-Telegram, 20 May 2026

From above, Kuna is a splintering amoeba of annexation, tract housing intercut with active farms and green fields. —Mark Dee may 19, Idaho Statesman, 19 May 2026

The annexation is not recognized by most countries. —Eleanor Beardsley, NPR, 19 May 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