Bedeutung von “principle” im Essential English Dictionary

principle

noun uk /ˈprɪnsɪpl/

a belief about how you should behave:

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:

She doesn’t wear fur on principle.

(Definition von “principle” aus dem Cambridge Essential Dictionary © Cambridge University Press)