OXFORD DICTIONARY
None, pron., adj., & adv.
--pron.
1 (foll. by of) a not any of (none of this concerns me; none of them have found it; none of your impudence!). b not any one of (none of them has come).
none the less nevertheless. none other (usu. foll. by than) no other person. none-so-pretty London Pride.
The verb following none in this sense can be singular or plural according to the sense.
2 a no persons (none but fools have ever believed it). b no person (none can tell).
--adj. (usu. with a preceding noun implied)
1 no; not any (you have money and I have none; would rather have a bad reputation than none at all).
2 not to be counted in a specified class (his understanding is none of the clearest; if a linguist is wanted, I am none).
--adv. (foll. by the + compar., or so, too) by no amount; not at all (am none the wiser; are none too fond of him).
None, n. (also in pl.)
1 the office of the fifth of the canonical hours of prayer, orig. said at the ninth hour (3 p.m.).
2 this hour.
F f. L nona fem. sing. of nonus ninth: cf. NOON
THESAURUS
None
from scratch, in no way, nary one, never a one, nil, no, no man, no one, nobody, not a bit, not a hint, not a jot, not a lick, not a mite, not a one, not a particle, not a scrap, not a smitch, not a speck, not a suspicion, not a trace, not a whit, not an iota, not any, not at all, not one
ROGET THESAURUS
None
Zero
N
zero, nothing, null, nul, naught, nought, void, cipher, goose egg, none, nobody, no one, nichts, nixie, nix, zilch, zip, zippo, not a soul, ame qui vive, absence, unsubstantiality, not one, not a one, not any, nary a one, not a, never a, not a whit of, not an iota of, not a drop of, not a speck of, not a jot, not a trace of, not a hint of, not a smidgen of, not a suspicion of, not a shadow of, neither hide nor hair of.