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

One of Europe's deadliest migration corridors, where unclaimed bodies often wash up on shore, the passage to Crete is fueled by wars and instability across Africa and is growing busier even as pressure eases on other Mediterranean routes. —Lefteris Pitarakis, Arkansas Online, 1 Mar. 2026

The region's rugged terrain, marked by mountains and steep canyons, has long been a deterrent to migration. —Lauren Villagran, USA Today, 28 Feb. 2026

One of Europe’s deadliest migration corridors, where unclaimed bodies often wash up on shore, the passage to Crete is fueled by wars and instability across Africa and is growing busier even as pressure eases on other Mediterranean routes. —ABC News, 28 Feb. 2026

Modeling studies show that migration between populations, environmental variability, and genetic diversity can significantly affect drive spread. —Srishti Gupta, Interesting Engineering, 27 Feb. 2026

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