Frequency: The word is one of the 1500 most common words in English.
1.
None of something means not even a small amount of it. None of a group of people or things means not even one of them.
She did none of the maintenance on the vehicle itself...
None of us knew how to treat her.
QUANT: QUANT of def-n
•
None is also a pronoun.
I turned to bookshops and libraries seeking information and found none...
No one could imagine a great woman painter. None had existed yet...
Only two cars produced by Austin-Morris could reach 100 mph and none could pass the 10-second acceleration test.
PRON
2.
If you say that someone will have none of something, or is having none of something, you mean that they refuse to accept it. (INFORMAL)
He knew his own mind and was having none of their attempts to keep him at home.
PHRASE: be inflects, PHR n
3.
You use none too in front of an adjective or adverb in order to emphasize that the quality mentioned is not present. (FORMAL)
He was none too thrilled to hear from me at that hour...
Her hand grasped my shoulder, none too gently.
PHRASE: PHR adj/adv [emphasis]
4.
You use none the to say that someone or something does not have any more of a particular quality than they did before.
You could end up committed to yet another savings scheme and none the wiser about managing your finances...
He became convinced that his illness was purely imaginary: that made it none the better.
= no
PHRASE: PHR compar
5.
none other than: see
other