uncouple
verb (used with object)
to release the coupling or link between; disconnect; let go.
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
McGrath's fireman was uncoupling the engine from the Rosemary, and Mr. Somerville Darrah, complacently lighting his after breakfast cigar, came across to the hissing ember fire.
From A Fool for Love by Francis Lynde