resistant, tough, durable, resistant (to something), not easily affected
This rope is strong.
Ela já provou ser resistente a tudo!
She has already proven to be resilient to everything!
— O Serviço de Entregas da Kiki (1989)
Eu era a criança mais resistente do bairro.
I was the most resilient child in the neighborhood.
Ainda bem que toda aquela carne que come o deixou resistente.
It's a good thing all that meat he eats has made him strong.
— O Lamento (2016)