tighten up

phrasal verb
tightened up; tightening up; tightens up

Definition of tighten up

: to become more strict or effective or to make (something) more strict or effective Security around the building has tightened up recently. They tightened up security around the building.

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Cite this Entry

“Tighten up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tighten%20up. Accessed 26 Oct. 2020.

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