runaway
Americannoun
adjective
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having run away; escaped; fugitive.
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(of a horse or other animal) having escaped from the control of the rider or driver.
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pertaining to or accomplished by running away or eloping.
a runaway marriage.
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easily won, as a contest.
a runaway victory at the polls.
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unchecked; rampant.
runaway prices.
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Informal. deserting or revolting against one's group, duties, expected conduct, or the like, especially to establish or join a rival group, change one's life drastically, etc..
The runaway delegates nominated their own candidate.
Other Word Forms
Noun Inflected Forms
Etymology
Origin of runaway
First recorded in 1505–15; noun, adj. use of verb phrase run away
Explanation
A runaway is a person — often a child or teenager — who leaves home. A runaway is usually unhappy at home, and most runaways have families that are desperate to find them. A kid who grabs some snacks and hides out all night in his neighbor's tree house is one kind of runaway — a more serious runaway is a teenager who hitchhikes to a city and lives on the street or in a shelter. You can also use the word as an adjective to mean "out of control," like a runaway car rolling down a hill with no driver, or a movie that's a runaway success, making more money than anyone thought possible.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.