IN WRITING


Meaning of IN WRITING in English

in the form of a letter, document, etc. (that gives proof of sth) :

All telephone reservations must be confirmed in writing.

Could you put your complaint in writing ?

You must get it in writing .

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