Either or neither can both refer to alternatives, so choosing the right word may seem confusing at first. However, they do not express the same idea.
Use either when one of two choices is possible, acceptable, or being considered. Use neither when both choices are rejected, false, unavailable, or not applicable.
There is one important exception to the simple positive-versus-negative shortcut: either also appears after a negative verb to mean “also,” as in I don’t like it either.
Understanding that difference makes most either-or-neither decisions much easier.
Quick Answer
Use either when you mean one or the other of two choices, when either choice is acceptable, or after a negative statement to mean also.
Use neither when you mean not one and not the other.
Examples:
- Either restaurant is fine with me.
- Neither restaurant is open tonight.
- I don’t want dessert either.
Why People Confuse Them
Both words commonly appear when two alternatives are being discussed. They can also work as determiners or pronouns, and each appears in a familiar paired construction.
Either usually pairs with or:
You can either call or text me.
Neither usually pairs with nor:
Neither the call nor the text came through.
Confusion grows because either can also appear in negative sentences.
I don’t like either option.
Here, either does not mean that one option is acceptable. The negative verb don’t like applies to both options.
Compare:
Neither option works.
I don’t like either option.
Both sentences reject the two options, but they use different grammatical structures.
Key Differences At A Glance
| Context | Best Choice | Why |
| One of two choices is acceptable | either | It points to one or the other |
| Both choices are rejected | neither | It means not one and not the other |
| Presenting alternatives with or | either | Use the pattern either…or |
| Rejecting alternatives with nor | neither | Use the pattern neither…nor |
| Adding agreement after a negative statement | either | It can mean “also” after a negative |
| Referring to each of two sides | either | In some contexts, it means each of two |
Compact comparison
- Either: one or the other; sometimes each of two; also used after negatives.
- Neither: not one and not the other; rejects both alternatives.
Meaning and Usage Difference
The main meaning of either is “one or the other.”
Either route will take us downtown.
The speaker has two routes in mind, and both are possible choices.
Either can also introduce alternatives:
We can either leave now or wait until noon.
Another common use appears after a negative statement:
She doesn’t eat seafood, and I don’t either.
In that sentence, either means something close to also or too, but it belongs naturally in a negative construction.
Either can even mean each of two in certain expressions:
There were trees on either side of the driveway.
Here, either side means both sides considered separately.
Neither, by contrast, means “not one and not the other.”
Neither answer is correct.
Two answers are under consideration, and both are rejected.
The paired form neither…nor carries the same negative meaning:
Neither Maya nor Jordan was available.
Both names are included in the negative statement.
Grammatically, both words can function as determiners and pronouns. They also appear in linking constructions. Either additionally has a common adverbial use after negatives.
Both words have two accepted pronunciations. You may hear EE-ther or EYE-ther, and NEE-ther or NYE-ther. The pronunciation does not change the meaning.
Tone, Context, and Formality
Both either and neither are standard in casual conversation, professional writing, schoolwork, and formal prose.
The difference is mainly grammatical and semantic rather than a difference in politeness.
Either time works for me.
This sounds neutral and flexible.
Neither time works for me.
This sounds equally natural but rejects both proposed times.
The construction neither…nor can sometimes sound slightly more formal or deliberate than using a negative verb with either.
Neither proposal meets the requirements.
We don’t accept either proposal.
Both are standard. The first states the negative relationship directly, while the second places the negative meaning in the verb.
With either of and neither of, careful edited writing often uses a singular verb when the expression is the subject:
Either of the plans is workable.
Neither of the plans is perfect.
Plural verbs are also heard frequently in everyday speech, especially after of followed by a plural noun or pronoun. For formal writing, the singular form is usually the safest choice when either or neither is the grammatical head.
Which One Should You Use?
Choose either when one of the alternatives can work.
You can use either entrance.
Choose neither when both alternatives fail.
Neither entrance is open.
Use either…or when presenting alternatives.
Either Sam or Olivia will lead the meeting.
Use neither…nor when excluding both.
Neither Sam nor Olivia attended the meeting.
Use either after a negative statement when you mean “also.”
I didn’t receive the email either.
A simple test helps:
Ask yourself whether you are saying “one or the other” or “not one and not the other.”
If the meaning is one or the other, choose either.
If both are being rejected, choose neither.
When One Choice Sounds Wrong
Using either without a negative can sound wrong when you intend to reject both choices.
Incorrect meaning:
Either answer is correct.
This means one or the other answer is acceptable.
To reject both:
Neither answer is correct.
The reverse problem happens when neither is used even though one option is allowed.
Wrong:
You may choose neither the red shirt nor the blue shirt.
That sentence says both choices are unavailable.
Better:
You may choose either the red shirt or the blue shirt.
Mixing the paired forms can also sound awkward in standard usage.
Prefer:
Either stay or leave.
Neither stay nor leave would normally need a different sentence structure to express a clear idea.
The standard pairings are either…or and neither…nor.
Common Mistakes (and Quick Fixes)
A common mistake is treating neither as if it needs another negative word.
Wrong:
Neither answer isn’t correct.
Better:
Neither answer is correct.
Neither already carries a negative meaning, so adding isn’t creates an unnecessary double negative in standard usage.
Another mistake is assuming either can never appear in a negative sentence.
Correct:
I don’t like either color.
Correct:
I don’t like that movie either.
In both examples, the negative meaning comes from don’t.
Writers also sometimes use plural nouns directly after either or neither.
Awkward:
Either restaurants will work.
Better:
Either restaurant will work.
With a direct noun, either and neither normally come before a singular countable noun:
Either route.
Neither route.
With of, however, use a plural noun or pronoun:
Either of the routes.
Neither of them.
Finally, avoid assuming that either always means exactly one. In expressions such as either side or either end, it can refer to each of the two.
Everyday Examples
Here are several natural examples showing the contrast.
Choosing one of two:
Either parking lot is close enough.
You can either pay online or at the front desk.
Rejecting both:
Neither parking lot has any open spaces.
Neither payment method worked.
After a negative:
I haven’t received the package either.
She didn’t recognize either person.
With of:
Either of these seats is fine.
Neither of those jackets fits me.
Paired alternatives:
Either Alex or Morgan will pick up the order.
Neither Alex nor Morgan has the receipt.
Each of two sides:
There are bike lanes on either side of the road.
The exact sentence structure matters. Either can introduce a choice, work inside a negative sentence, or refer to each of two. Neither consistently carries the idea that both alternatives are excluded.
Dictionary-Style Word Details
Verb
- Either: Not commonly used as a verb in standard US English. It normally functions as a determiner, pronoun, conjunction-related word, or adverb.
- Neither: Not commonly used as a verb in standard US English. It normally functions as a determiner, pronoun, or in negative linking constructions such as neither…nor.
Noun
- Either: Not normally used as a standalone noun in its basic word-choice sense. The related compound either-or can function separately in expressions such as an either-or decision.
- Neither: Not normally used as a standalone noun in standard usage. As a pronoun, however, it can stand alone: Which one do you want? Neither.
Synonyms
Exact one-word synonyms do not work in every grammatical structure, so these are best treated as closest plain alternatives.
- Either: one or the other; in certain contexts, each; after a negative, also or too may express a similar idea with different placement.
- Neither: not either; not one or the other; none of the two.
For a two-item contrast, both can serve as a useful opposite idea to neither, but it is not a direct replacement in every sentence.
Example Sentences
Either:
Either date works for the appointment.
We can either cook dinner or order takeout.
I haven’t finished the report either.
There were lamps at either end of the hallway.
Neither:
Neither date works for the appointment.
Neither the manager nor the assistant was available.
Which jacket do you prefer? Neither.
Neither of the explanations seems convincing.
Word History
Either has roots going back to Old English forms connected with the idea of “each of two” or “one of two.”
Neither also developed from Old English. Its earlier forms combined a negative element with a form related to choosing between two, giving the basic sense “not either.”
The modern spellings and uses developed over many centuries. The important present-day distinction remains straightforward: either generally allows or presents alternatives, while neither excludes them.
Phrases Containing
Either:
- either…or
- either way
- either one
- either of
- on either side
- at either end
- in either case
Neither:
- neither…nor
- neither one
- neither of
- neither here nor there
- neither one nor the other
These expressions keep the same basic contrast: either leaves alternatives open or refers to them individually, while neither excludes the alternatives being discussed.
FAQs
Use either when referring to one or the other of two choices. Use neither when both choices are rejected or do not apply.
Example:
Either option works for me.
Neither option works for me.
Yes. Either commonly appears after a negative verb.
Example:
I don’t like either restaurant.
It can also mean “also” after a negative statement:
I didn’t receive the message either.
The standard paired construction is neither…nor.
Example:
Neither Jack nor Emma attended the meeting.
Use either…or when presenting alternatives:
Either Jack or Emma will attend.
When either directly modifies a noun, the noun is normally singular.
Example:
Either answer is acceptable.
With either of, a plural noun or pronoun follows:
Either of the answers is acceptable.
In formal writing, a singular verb is usually the safest choice.
Neither is generally treated as singular when it is the grammatical subject.
Example:
Neither answer is correct.
After neither of + plural noun or pronoun, plural verbs are common in everyday speech, but singular agreement is usually preferred in careful formal writing.
Traditionally, either and neither are most closely associated with two alternatives. However, modern English sometimes uses them with larger groups, especially in natural conversation.
When clarity matters, especially in formal writing, it is usually better to use them when two clear alternatives are involved or to choose wording such as any, none, or none of them for larger groups.
Conclusion
Use either when you mean one or the other, when both choices are acceptable individually, or when adding agreement to a negative statement.
Use neither when you mean not one and not the other.
Remember the common pairings:
either…or
neither…nor
Also remember that negative sentences can correctly use either:
I don’t like either option.
The safest way to choose is to focus on meaning. If you are allowing or presenting alternatives, either usually fits. If you are rejecting both, choose neither.
