tighten up

phrasal verb

tightened up; tightening up; tightens 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.

Examples of tighten up in a Sentence

Recent Examples on the Web

Giving the contract to one firm is part of the International Olympic Committee’s goal to tighten up ticketing for future games. —Brendan Coffey, Sportico.com, 17 July 2024

But Ronald Koeman tightened up his midfield at the start of the second period, limiting the space England had enjoyed and exploited so successfully in the first half. —Matias Grez, CNN, 10 July 2024

Participate, get moving, highlight health and tighten up your routine to capture what keeps you in shape and looking and feeling your best. —Eugenia Last, The Mercury News, 20 June 2024

But Cotton, who has started nine games in his four seasons, must improve his conditioning and Jones, who has started 13 games in his three seasons, must tighten up his pass protection to be viewed as legit contenders. —Omar Kelly, Miami Herald, 17 June 2024