## beef up (phrasal verb) *(informal)* To make something bigger, better, stronger, or more effective. ### Usage examples - Security has been beefed up for the royal visit. - They're taking on more workers to beef up the staff. *** This phrase is commonly used when referring to improvements or reinforcements in various contexts, such as safety, personnel, or features.

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Oxford Learner's Dictionaries — 2025-11-29