Definition of none pronoun from the Oxford Advanced Learner's Dictionary

none

pronoun

nʌn

nʌn

none (of somebody/something) not one of a group of people or things; not anyNone of these pens works/work.We have three sons but none of them lives/live nearby.We saw several houses but none we really liked.Tickets for Friday? Sorry we've got none left.He told me all the news but none of it was very exciting.‘Is there any more milk?’ ‘No, none at all.’ (formal) Everybody liked him but none (= nobody) more than I.

Idioms

none but

(literary) onlyNone but he knew the truth.

none other than

used to emphasize who or what somebody/something is, when this is surprising

Her first customer was none other than Mrs Obama.

have/want none of something

to refuse to accept something

I offered to pay but he was having none of it.

none the less

= nonetheless

Usage note: none ofWhen you use none of with an uncountable noun, the verb is in the singular: None of the work was done.When you use none of with a plural noun or pronoun, or a singular noun referring to a group of people or things, you can use either a singular or a plural verb. The singular form is used in a formal style in British English: None of the trains is/are going to London. ◇ None of her family has/have been to college.