Definition, Meaning & Synonyms
bulk-up
Verb
/bʌlk ʌp/

Definition
To increase muscle mass or physical size, especially through exercise and dietary changes.

Examples
- He decided to bulk-up for the upcoming bodybuilding competition.
- Many athletes bulk-up during the off-season to improve their strength.
- Eating enough protein is essential if you want to bulk-up effectively.

Meaning
The term ‘bulk-up’ is often used in fitness contexts to describe the process of gaining weight in the form of muscle rather than fat, typically involving a combination of weight training and a high-calorie diet.

Synonyms
- Gain weight
- Build muscle
- Put on mass