migration

noun

mi·​gra·​tion mī-ˈgrā-shən 

: the act, process, or an instance of migrating

watched the migration of the birds overhead

migrational

mī-ˈgrā-sh(ə-)nəl 

adjective

Examples of migration in a Sentence

Recent Examples on the Web

Santiago, Chile Reuters — Jose Antonio Kast won Chile’s presidential election on Sunday, leveraging voter fears over rising crime and migration to take the country to its sharpest rightward shift since the end of dictatorship in 1990. —Reuters 31 Min Ago, CNN Money, 14 Dec. 2025

Crews began raising an initial bollard wall across the San Rafael Valley south of Sonoita in September, drawing protesters who want to maintain both cultural and ecological ties across a key jaguar and ocelot migration corridor spanning the Huachuca and Patagonia mountain ranges. —Brandon Loomis, AZCentral.com, 13 Dec. 2025

Trump supporters view the effort as a necessary response to historically high migration under President Joe Biden. —Lauren Villagran, USA Today, 13 Dec. 2025

While running to be German chancellor this year, Friedrich Merz vowed to toughen the country’s migration policy. —Suman Naishadham, Fortune, 13 Dec. 2025

Word History

Etymology

French or Latin; French, from Latin migration-, migratio, from migratus (past participle of migrare to migrate) + -ion-, -io -ion — more at migrate

First Known Use

circa 1527, in the meaning defined above

Phrases Containing migration

• pre-migration

Rhymes for migration

• ablation
• bination
• carnation
• cassation
• castration
• causation
• centration
• cessation
• cetacean
• chelation
• citation
• collation

Kids Definition

migration

noun

mi·​gra·​tion

mī-ˈgrā-shən

1

: the act or an instance of migrating

2

: a group of individuals that are migrating

Medical Definition

migration

noun

mi·​gra·​tion mī-ˈgrā-shən 

: the act, process, or an instance of migrating

migration of larval nematodes to the lungs