The noun "weight" can be both countable and uncountable.
Meaning: how heavy someone or something is
Example sentence: If you eat a lot and don't exercise enough, your weight will probably increase.
Meaning: a heavy object that's used to build muscle mass and strength
Example sentence: After Arnold started working out with weights, his muscles got much bigger.
Test your understanding:
- If you want to lose weight, you should go to a gym
- If you want to lift weights, you should go to a gym.