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lock in - definition and synonyms

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phrasal verb [transitive]
Word Forms
present tense
I/you/we/theylock in
he/she/itlocks in
present participlelocking in
past tenselocked in
past participlelocked in
  1. 1
    to put someone in a room and lock the door so they cannot leave

    You can’t keep me locked in.

    She went to her hotel room and locked herself in.

  2. 2
    lock in profits/gains etc. business to get a financial benefit that continues for a long time, for example by selling stocks that have gone up in value before they can go back down
See also main entry: lock


a lifestyle focussing on simple pleasures such as comfort and cosiness in the home, and spending time with friends and family

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a form of location that involves the underwater detonation of a bomb which causes sound waves that are picked up by ships

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