English Reference
verb · noun

regain

v. · n.
US /ɹɪˈɡeɪn/ UK /ɹɪɡˈeɪn/ re·gain UK spelling regained, regains

  1. 01 B2 Upper Intermediate

    v.to get back a feeling or ability that you had before.

    v.to recover a quality, state, or ability that was previously lost or diminished.

    Simple

    After a few days of rest, he began to regain his strength.

    In context

    The patient worked diligently with the physical therapist to regain full mobility in her shoulder following the surgery.

    Usage

    Often used with abstract nouns like 'consciousness', 'control', or 'composure'.

  2. 02 B2 Upper Intermediate

    v.to get back something physical that you no longer had.

    v.to recover possession of a physical object or territory.

    Simple

    The army fought hard to regain the lost territory.

    In context

    The company launched a legal battle to regain control of its intellectual property after the partnership dissolved.

    Usage

    Transitive verb requiring a direct object.

  3. 03 C2 Proficiency Technical Technical

    n.the amount a piece of cloth grows when the fibers get wet or swell.

    n.the increase in the width of woven cloth caused by the swelling of fibers, used to calculate reed width.

    Simple

    The weaver calculated the regain to ensure the final fabric was the correct size.

    In context

    Accurate measurement of regain is essential in industrial weaving to prevent the finished textile from deviating from the client's specifications.

    Usage

    Usually uncountable in this technical sense.

    Teacher's tip

    This is a highly specialized term; most learners will only encounter the verb form.

The Sudanese Armed Forces (SAF) have regained control of much of the capital, Khartoum while the Rapid Support Forces (RSF) remain entrenched across much of Darfur in western Sudan.

Al Jazeera· 17 Aug 2026

Those working in the industry regularly see a pattern where a patient is losing weight but ends up discontinuing treatment due to cost pressures and so regains it, said Hannbeck said.

The Guardian· 15 Aug 2026
This entry
Level C1 · Advanced
Frequency Frequent
Updated