English–French
“gain weight” in French
How to say “gain weight” in French
“Gain weight” in French is grossir.
A once-slender body fills out as added mass makes its outline and weight increase.
Example sentences with grossir
Son jean ne lui va plus, il a grossi.
His jeans do not fit him anymore; he has put on weight.
Tips for using grossir
- For a gentler reference to weight gain, French often uses prendre du poids or avoir pris du poids instead of grossir.