Meaning & use

gym rat

noun·Everyday

An informal term for someone who spends a great deal of their free time working out at the gym.

See it in a sentence

As a self-described gym rat, he rarely misses a day of training, even on vacation.

The gym rats at the front desk recommended a new workout routine for beginners.

A note on using this word

Gym rat is casual and can be used both affectionately and as a mild tease about someone's dedication to exercise.

Words with a similar meaning

fitness enthusiast

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

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