either is any. neither is none of them.

Both words can be used as pronoun, conjunction and adjective; however, the use of ‘either’ is considered positive, while the use of ‘neither’ is considered negative.

You would use neither with: 'nor' (neither she nor he ate biscuits) - negative You would use either with: 'or' (either she ate a biscuit or he did) - positive In the above: Neither is none of them did Either is one or the other did Answering a question like, "which out of these two dresses should I buy?" Neither. (None of those) Either. (One or the other) Using either in a statement: I agree, I don't like that dress either. (Yes) Either one will look great on you. (either as in one or the other) I don't like either of those dresses (both) Using neither in a statement: Neither do I, that dress is terrible. (No) Neither look good on you. (Both-negative) I like neither of those dresses (none)

neither of them are good ( they are both bad) either of them are good ( they are both good) This house is neither beautiful nor cheap. He is either lying or telling the truth , he can't be doing both.

Neither = Not either