Longman Dictionary of Contemporary English - none

~1 pron 1 not any of something  (I was going to offer you some cake but there's none left. | none of)  (Everyone was talking about it - it did not matter to them that none of it was true. | She had inherited none of her mother's beauty. | none at all/none whatsoever)  ("Any mail arrive today?" "None whatsoever.") 2 not any of a number of people or things  (none of)  (None of my friends phone me anymore. | None of you need worry. | None of their promises were kept. | none)  (Of all the movies Hepburn made none is more memorable than `Breakfast at Tiffany's'. | Perhaps none felt the effects more than Peter.) 3 not one thing or person  (Even an old car is better than none. | none at all)  (It'd be better to make some sort of decision than none at all.) 4 have none of sth to not allow someone to do something or to not allow someone to behave in a particular way  (This time I'll have none of her tears and tantrums. | We offered to pay our half of the cost but Charles would have none of it.) 5 none but literary only  (None but she would have been capable of such strength and courage.) 6 none other (than) used when you are surprised that a particular person, especially someone famous, has done something  (The mystery guest turned out to be none other than Cher herself.)  (- see also nonetheless, second to none second1 (6), bar none bar3 (2))  ( USAGE NOTE: NONE FORMALITY When none of is followed by a plural n, it usually takes a plural v in ordinary spoken English None of us are ready yet. In formal writing a singular v is used None of our factories is in operation yet. Some people believe the singular is the only correct form.