Translation of "principle" - English-Portuguese dictionary

principle

noun uk /ˈprɪn·sɪ·pl/

a belief about how you should behave

princípio
He must be punished – it’s a matter of principle.
on principle

If you refuse to do something on principle, you refuse to do it because you think it is wrong.

por princípio
She doesn’t wear fur on principle.

(Translation of “principle” from the Cambridge English–Portuguese Dictionary © Cambridge University Press)