When someone doesn't have enough food for a long time, they suffer from starvation.
Starvation is a very serious and sad thing. It can make people feel worried and want to help.
Examples:
The people in the village suffered from starvation.
She died from starvation because there was no food.
Starvation is a big problem in some parts of the world.
I'm so hungry, it feels like I'm suffering from starvation!
If you don't eat for a whole day, it's not really starvation, but it feels like it!
The little boy's face showed the effects of starvation.