ON YOUR HONOUR


Meaning of ON YOUR HONOUR in English

( old-fashioned )

1.

used to promise very seriously that you will do sth or that sth is true :

I swear on my honour that I knew nothing about this.

2.

to be trusted to do sth :

You're on your honour not to go into my room.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.