English Reference
verb · noun

unwind

v. · n.
US /ənˈwaɪnd/ UK /ʌnwˈaɪnd/ un·wind UK spelling unwinds

  1. 01 B2 Upper Intermediate Informal

    v.to relax and stop worrying after you have been working hard.

    v.to relax or release tension after a period of work or stress. Intransitive in this sense.

    Simple

    After a long day at the office, I like to unwind by listening to music.

    In context

    The weekend retreat provides an ideal environment for executives to unwind and disconnect from their professional obligations.

    Usage

    Usually used without an object to describe a person's state of mind.

    relaxdecompresschill out
    tense upstress
  2. 02 B2 Upper Intermediate

    v.to undo something that has been wrapped around something else.

    v.to undo or open something that has been wound or coiled.

    Simple

    He carefully started to unwind the long bandage from his arm.

    In context

    The technician had to unwind the tangled cables before he could identify which one was faulty.

    Usage

    Can be used transitively with an object or intransitively to describe the object itself moving.

    uncoiluntwistunroll
  3. 03 C1 Advanced Technical Finance

    v.to close out a complicated financial deal or investment.

    v.to close out or liquidate a financial position, particularly one involving complex derivatives or hedges.

    Simple

    The bank had to unwind its risky investments when the market started to fall.

    In context

    The hedge fund spent several days trying to unwind its massive position in the energy sector without triggering a price collapse.

    Usage

    Used transitively, typically referring to trades, positions, or portfolios.

  4. 04 C2 Proficiency Technical Computing

    v.to go back through a list of computer instructions to find an error.

    v.to navigate back through a call stack, often during exception handling or to generate a stack trace.

    Simple

    The program will unwind the stack to find where the error first happened.

    In context

    Efficient exception handling requires the runtime to unwind the stack and execute the necessary cleanup code for each frame.

    Usage

    Often used in the context of 'stack unwinding'.

  5. 05 C2 Proficiency Technical

    n.a machine or part that lets something unroll.

    n.a mechanism or operation designed to unspool or unroll material.

    Simple

    The paper mill installed a new unwind at the start of the production line.

    In context

    The automated unwind ensures that the plastic film is fed into the packaging machine at a constant tension.

    unspooler

From Middle English unwinden, from Old English unwindan (“to unwind; unwrap”), from Proto-Germanic *andawindaną (“to unwind”); equivalent to un- + wind (“to coil”). Cognate with Dutch ontwinden (“to unwind”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin gem-pro *andawindaną
Level B2 · Upper Intermediate
Frequency Occasional
Updated