- neither
- 1
determiner,
pronoun
not one or the other of two people or things: neither person/thing etc: Neither parent cares what happens to the child. | neither of them/the people etc: Both players have been warned, but neither of them seem to take it seriously. | neither: “Would you like tea or coffee?” “Neither, thanks.” | We went to see a couple of houses, but neither was suitable.
—compare either, —see each 1
2
adverb
1 used to add a negative statement to one that has just been mentioned: neither can I/neither does John etc: “I have never been to Paris before.” “No, neither have we.” | Tom didn't believe a word she said and neither did the police. | me neither/John neither etc: “I don't like horror movies.” “Me neither.”—see also2 formal used to emphasize or add information to a negative statement: The authorities were not sympathetic to the students' demands, neither would they tolerate any disruption.—compare any 1, any 2, either 4 3 conjunction1 neither... nor... used when two states, facts, actions etc are mentioned and both are not true or not possible: The equipment is neither accurate nor safe. | She was expressionless, neither laughing nor crying.2 be neither here nor there especially spoken used to say that something is not important because it does not affect or change another fact or situation: The fact that she needed the money for her children is neither here nor there, it's still stealing.
Longman dictionary of contemporary English. 2004.