tighten up

/ˌtaɪtn əp/
IPA guide

Other forms: tightened up; tightening up; tightens up

Definitions of tighten up
  1. verb
    restrict
    synonyms: constrain, stiffen, tighten
    see moresee less
    type of:
    bound, confine, limit, restrain, restrict, throttle, trammel
    place limits on (extent or access)
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