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lock up - definition and synonyms

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phrasal verb
Word Forms
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present tense
I/you/we/theylock up
he/she/itlocks up
present participlelocking up
past tenselocked up
past participlelocked up

Related words

  1. 1
    [intransitive/transitive] to lock all the doors and windows of a building so that no one can get in
    I locked up and went to bed.
    The last person to leave locks up the shop.
  2. 2
    [transitive] same as lock away (sense 1)
    The documents were locked up.
  3. 3
    [transitive] same as lock away (sense 2)
    He was locked up for 12 years for armed robbery.
  4. 4
    [intransitive] to invest your money in something, so that it is not available for you to spend
    lock up in: There are vast sums of money locked up in pension funds.
See also main entry: lock

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