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uncouple

American  
[uhn-kuhp-uhl] / ʌnˈkʌp əl /

verb (used with object)

uncouples, present (3rd person singular) uncoupled, past participle, past uncoupling present participle
  1. to release the coupling or link between; disconnect; let go.

    to uncouple railroad cars.

  2. to end (a romantic relationship or marriage).

    Their marriage was uncoupled by financial problems.


verb (used without object)

uncouples, present (3rd person singular) uncoupled, past participle, past uncoupling present participle
  1. to become unfastened; let go.

    The glider uncoupled from the tow plane.

  2. to end a romantic relationship or marriage.

    My sister and her boyfriend have uncoupled after ten years together.

  3. (of a romantic relationship or marriage) to end.

uncouple British  
/ ʌnˈkʌpəl /

verb

  1. to disconnect or unfasten or become disconnected or unfastened

  2. (tr) to set loose; release

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Inflected Forms

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Conjugated Forms

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Etymology

Origin of uncouple

1300–50; Middle English unco ( u ) plen; see un- 2, couple

Vocabulary lists containing uncouple

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

If you uncouple your net worth from your self-worth, navigating finances becomes less sensitive.

From MarketWatch Jan. 7, 2026

If the web makes it easy to uncouple sights and sounds from their sources, what will people remember of stations’ four-letter identifiers, those signifiers of pride and place, the call signs?

From Los Angeles Times Aug. 12, 2024

"But in economics, we know that if payments are directly tied to penalties, that's restrictive, and it can't be optimal. So, we said, let's uncouple them and see what solution would happen."

From Science Daily May 15, 2024

Who can forget when Oscar winner Gwyneth Paltrow and her then-husband, musician Chris Martin, announced in 2014 that they would consciously uncouple?

From Washington Post Jan. 21, 2022

Instead of getting in there and taking things over, couldn’t we learn to disconnect altogether, uncouple, detach, and float free?

From "The Lives of a Cell" by Lewis Thomas

The point is that Stone uncouples it from recognisable timbre, leaving it as pure, contextless sound – a staggering announcement of the universality of beauty.

From The Guardian Jul. 10, 2018

Red uncouples the car in which the hoboes are riding and temporarily foils the hawkshaws.

From Time Magazine Archive

In the nick of time, the cowboy uncouples the baggage car in which his girl is held prisoner.

From Time Magazine Archive

Technology at this level uncouples the past from the present.

From The Civilization of Illiteracy by Nadin, Mihai

He bends down, and with a strong, quick jerk uncouples the rear car.

From The Transgressors Story of a Great Sin by Adams, Francis A.

Levanon has a theory about why the payoffs for advanced degrees have uncoupled: “More degrees chasing fewer of the positions those degrees were meant to unlock.”

From The Wall Street Journal May 18, 2026

However, when the two processes are uncoupled, the result is disease.

From Science Daily Mar. 26, 2024

Formerly reliable sources of information like seasonal changes in daylight can lose its utility as they become uncoupled.

From Salon Nov. 25, 2023

The crash happened when a passenger train hit cars that had uncoupled from another train.

From Seattle Times Jun. 2, 2023

Then he uncoupled them and fastened the hose to the coupling pipe and fitted the other end of the hose to the gasbottle and carried it out to the saloon.

From "The Road" by Cormac McCarthy

WSJ: We’ve all got questions but the one that I’m most interested in is this theme that was bubbling at Davos, which was the uncoupling of Europe from the U.S. politically, economically, technologically.

From The Wall Street Journal Feb. 21, 2026

A Wall Street–to–Main Street disconnect is not new, but people’s uncoupling of stocks and “the economy” as a living organism has accelerated post-pandemic.

From Slate Dec. 6, 2024

But rather than dying, the fibers retracted, uncoupling from the heart muscle.

From Science Magazine May 22, 2024

To understand the impacts of uncoupling penalties from payments, the team modeled costs and benefits to the landowners of different program designs as well as the benefits from the ecosystem services gained.

From Science Daily May 15, 2024

The consequences of uncoupling could indeed be disastrous for any organism from embryo to adult: in time it could lead to the death of the tissue or even of the organism.

From "Silent Spring" by Rachel Carson

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