beef up

verb

beef up

verb

Etymology Originally college slang, from beef (“muscle-power”).

1

Slang To strengthen or reinforce; to add substance to.

  • We need to beef up security around the airport.
Related terms
beef, beefed out, beefed up, beef out, beefy

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.