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tighten up

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phrasal verb
Word Forms
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present tense
I/you/we/theytighten up
he/she/ittightens up
present participletightening up
past tensetightened up
past participletightened up
  1. 1
    [intransitive/transitive] same as tighten
  2. 2
    [intransitive] to be stricter or more serious about something such as a policy or a rule
    tighten up on:

    My first priority is to tighten up on discipline.

See also main entry: tighten

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