uncouple

[ uhn-kuhp-uh l ]
/ ʌnˈkʌp əl /

verb (used with object), un·cou·pled, un·cou·pling.

to release the coupling or link between; disconnect; let go: to uncouple railroad cars.
to end (a romantic relationship or marriage): Their marriage was uncoupled by financial problems.

verb (used without object), un·cou·pled, un·cou·pling.

to become unfastened; let go: The glider uncoupled from the tow plane.
to end a romantic relationship or marriage: My sister and her boyfriend have uncoupled after ten years together.
(of a romantic relationship or marriage) to end.

Origin of uncouple

1300–50; Middle English unco(u)plen; see un-2, couple
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for uncouple

uncouple

/ (ʌnˈkʌpəl) /

verb

to disconnect or unfasten or become disconnected or unfastened
(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

Word Origin and History for uncouple

uncouple


v.

c.1300, from un- (2) "opposite of" + couple (v.). Cf. Middle Dutch ontcoppelen. Related: Uncoupled; uncoupling.

Online Etymology Dictionary, © 2010 Douglas Harper