mi·​gra·​tion | \ mī-ˈgrā-shən \

Definition of migration

: the act, process, or an instance of migrating watched the migration of the birds overhead

Keep scrolling for more

Other Words from migration

migrational \ -​shnəl , -​shə-​nᵊl \ adjective

Examples of migration in a Sentence

Recent Examples on the Web

What once seemed like a neat and tidy story of one human relative flowing into the next is shaping up to be the story of multiple migrations, several relatives, and cross-species interbreeding. John Wenz, Popular Mechanics, "A New Fossil Holds an Ancient Secret About Humanity," 22 Aug. 2018 As part of a crackdown on migration, a one-year jail sentence has been proposed for anyone entering the country illegally. Tom Kington, latimes.com, "Italy's refusal of rescue ship leaves 629 migrants at sea and exposes growing EU fault lines," 13 June 2018 The theme for this year’s event is migration, and some promising screenings include a film on Army vets ski touring Iraq, a drug-running Honduran islander who discovers fly-fishing, and a biopic of climber Steph Davis. Megan Michelson, Outside Online, "7 Summer Festivals You Don’t Want to Miss," 18 May 2018 Species migration: About 75 percent of the small mammal species and over 80 percent of bird species surveyed in the Sierra Nevada region have shifted ranges in an effort to find suitable habitat. Peter Fimrite, San Francisco Chronicle, "Climate change ruining California’s environment, report warns," 9 May 2018 Setting up in the midst of the spring migration, a band of bird loving gypsies are once again catching as many of the global travelers as possible, gleaning scientific data from them, and sending them on their way. Ben Raines, AL.com, "Tiny birds, incredible journey," 20 Apr. 2018 For the 85th consecutive year, birders will welcome the start of another spring migration, the highlight of the season for the majority of birders after a long, frigid winter. James F. Mccarty, cleveland.com, "Celebrate the return of spring songbirds to NE Ohio with the 85th Annual Spring Bird Walks," 9 Apr. 2018 There were a host of issues at the root of the troubles, including disputes over migration, trade and land across the border of the two states, and social unrest followed. SI.com, "World Cup Countdown: 12 Weeks to Go - How a Match Between Honduras & El Salvador Started a War," 29 Mar. 2018 Others are eager to close Brexit as soon as possible and focus on the myriad other crises facing the bloc, from fights over migration policy to the political challenges facing governments in Paris, Rome and Berlin. Laurence Norman, WSJ, "U.K.’s May Faces Uphill Battle to Win Brexit Concessions From EU," 11 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'migration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of migration

circa 1527, in the meaning defined above

History and Etymology for migration

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

Keep scrolling for more

Learn More about migration

Statistics for migration

Last Updated

5 Jan 2019

Look-up Popularity

Time Traveler for migration

The first known use of migration was circa 1527

See more words from the same year

Keep scrolling for more

More Definitions for migration


mi·​gra·​tion | \ mī-ˈgrā-shən\

Kids Definition of migration

: the act or an instance of moving from one place to another often on a regular basis the spring migration of birds


mi·​gra·​tion | \ mī-ˈgrā-shən \

Medical Definition of migration

: the act, process, or an instance of migrating migration of larval nematodes to the lungs

Keep scrolling for more

More from Merriam-Webster on migration

Spanish Central: Translation of migration

Nglish: Translation of migration for Spanish Speakers

Britannica English: Translation of migration for Arabic Speakers

Comments on migration

What made you want to look up migration? Please tell us where you read or heard it (including the quote, if possible).


marked by shyness and lack of polish

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!