Bulk up
verb
To increase in size, especially by gaining muscle.
He started working out to bulk up for the football season.

Often appears as...
- bulk up on
- bulk up for
Usage tips
Colloquial
verb
To increase the size or quantity of something.
They decided to bulk up their savings for the future.

Often appears as...
- bulk up reserves
- bulk up supplies
verb
To increase in size, especially by gaining muscle.
He started working out to bulk up for the football season.

Often appears as...
- bulk up on
- bulk up for
Usage tips
Colloquial
verb
To increase the size or quantity of something.
They decided to bulk up their savings for the future.

Often appears as...
- bulk up reserves
- bulk up supplies
Definition 1 of 2

Physical Transformation
Used to express a change in someone’s physical appearance, often through exercise.

After joining the gym, Mia bulked up significantly.
Sports Context
Commonly used in sports to describe gaining muscle for better performance.

The athletes are bulking up to prepare for the wrestling championships.
Personal Goals
Indicates an intentional effort, often for aesthetic reasons or personal achievement.

He's bulking up to feel more confident at the beach this summer.
Physical Transformation
Used to express a change in someone’s physical appearance, often through exercise.

After joining the gym, Mia bulked up significantly.
Sports Context
Commonly used in sports to describe gaining muscle for better performance.

The athletes are bulking up to prepare for the wrestling championships.
Personal Goals
Indicates an intentional effort, often for aesthetic reasons or personal achievement.

He's bulking up to feel more confident at the beach this summer.
Physical Transformation
Used to express a change in someone’s physical appearance, often through exercise.

After joining the gym, Mia bulked up significantly.
Sports Context
Commonly used in sports to describe gaining muscle for better performance.

The athletes are bulking up to prepare for the wrestling championships.
Personal Goals
Indicates an intentional effort, often for aesthetic reasons or personal achievement.

He's bulking up to feel more confident at the beach this summer.
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