runaway

1 of 3

noun

run·​away ˈrə-nə-ˌwā 

1

: one that runs away from danger, duty, or restraint : fugitive

especially : a child who leaves home without permission

2

: the act of running away out of control

also : something (such as a horse) that is running out of control

3

: a one-sided or overwhelming victory

runaway

2 of 3

adjective

1

a

: running away : fugitive

b

: leaving to gain special advantages (such as lower wages) or avoid disadvantages (such as governmental or union restrictions)

runaway shipping firms

a runaway shop

2

: accomplished by elopement or during flight

3

: won by or having a long lead

a runaway success

also : extremely successful

a runaway bestseller

4

: subject to uncontrolled changes

runaway inflation

5

: being or operating out of control

a runaway oil well

a runaway nuclear reactor

run away

3 of 3

verb

ran away; run away; running away; runs away

intransitive verb

1

a

: to leave quickly in order to avoid or escape something

b

: to leave home

specifically : elope

2

: to run out of control : stampede, bolt

3

: to gain a substantial lead : win by a large margin

see also run away with

Synonyms of runaway

Adjective

• rampant
• uncontrolled

Verb

• escape
• flee
• run off
• fly
• get out

Examples of runaway in a Sentence

Adjective

The play was a runaway success.

a region plagued by runaway suburban sprawl

Verb

ran away from an unhappy marriage

the child runs away from large dogs

Recent Examples on the Web

Noun

Jo, being a writer as well as a runaway from the strictures of womanhood, is a bit of an avatar for Alcott. —Bonnie Tsui, The Atlantic, 20 Jan. 2026

Gortenburg is sure that the little runaway was ready to go home. —Lisa Gutierrez, Kansas City Star, 17 Jan. 2026

Adjective

The original book became a runaway hit and was later adapted into a wildly popular Apple TV series starring Garner, making her presence at the event especially meaningful. —Tereza Shkurtaj, PEOPLE, 18 Jan. 2026

On January 8th, the twelfth day of mass protests in Iran, which began when shopkeepers, responding to runaway inflation, closed Tehran’s Grand Bazaar, the Iranian government shut down public access to the internet, further shrouding an already largely closed society. —Benjamin Wallace-Wells, New Yorker, 17 Jan. 2026

Verb

Whether Allen was in the process of turning and running away or stumbling in a chaotic scene in a wobbly subway car was unclear. —Literary Hub, 21 Jan. 2026

Hotel security footage showed both Kol and Sanchez running away after the killing, the feds say. —Sofia Saric, Miami Herald, 21 Jan. 2026

Word History

First Known Use

Noun

1534, in the meaning defined at sense 1

Adjective

1548, in the meaning defined at sense 1a

Verb

before the 12th century, in the meaning defined at sense 1a

Rhymes for runaway

• aaa
• adonais
• alleyway
• alumnae
• anime
• anyway
• arete
• attache
• baa
• beaujolais
• bouvier
• breakaway

Kids Definition

runaway

1 of 3 noun

run·​away ˈrən-ə-ˌwā 

1

: a person who runs away : fugitive

2

: the act of running away out of control

also : something (as a horse) that is running out of control

runaway

2 of 3 adjective

1

: running away : fugitive

2

: being out of control

run away

3 of 3 verb

ˌrən-ə-ˈwā

1

: to leave in a hurry especially to escape from danger or confinement

2

: to leave home