Either…Or, Neither…Nor (или, либо, ни…ни) | Russian Grammar

Offering a choice, listing exclusions, describing something that flips back and forth — these all need conjunctions that link alternatives. Russian's set is small and logical: и́ли ("or") and its doubled emphatic form и́ли…и́ли ("either…or"), the more formal twin ли́бо…ли́бо, the negative ни…ни ("neither…nor"), the alternating то…то ("now…now"), and the uncertain не то…не то ("either…or, I'm not sure which"). The one rule that catches every English speaker is buried in ни…ни: it is a negative conjunction, and Russian keeps the не on the verb anyway, producing a double negative that is not a mistake but a requirement.

или — plain "or"

и́ли is the everyday "or," linking two alternatives in a single, unemphatic offer. No comma is needed before a single и́ли joining two items.

Ты бу́дешь чай и́ли ко́фе?

Will you have tea or coffee? — a plain either-of-two offer; no comma before a single и́ли.

Мо́жем встре́титься в суббо́ту и́ли в воскресе́нье — как тебе́ удо́бнее.

We can meet on Saturday or Sunday — whichever suits you better. — и́ли offering two open options.

или…или and либо…либо — emphatic "either…or"

Doubling the conjunction sharpens the choice into a clear "either…or" — two and only two options, more pointed than a single и́ли. И́ли…и́ли is neutral; ли́бо…ли́бо means the same but is more formal and bookish. When the conjunction is doubled, a comma goes before the second member.

И́ли ты извини́шься, и́ли я ухожу́.

Either you apologize, or I'm leaving. — doubled и́ли…и́ли forces the choice; comma before the second и́ли.

Реше́ние должно́ быть при́нято ли́бо сего́дня, ли́бо никогда́.

The decision must be made either today or never. — (formal) ли́бо…ли́бо, the bookish equivalent.

💡

и́ли…и́ли and ли́бо…ли́бо are interchangeable in meaning; the only difference is register. ли́бо belongs to written, official, and elevated speech; и́ли is the safe everyday choice. Don't pepper conversation with ли́бо — it sounds stiff.

ни…ни — "neither…nor" (and the obligatory не)

ни…ни links two (or more) excluded alternatives: "neither X nor Y." Here is the rule English speakers must internalize: ни…ни is a negative conjunction, and the verb still carries не. Russian negation is "concord" negation — once a clause is negative, every negative element in it lines up, including the не on the verb. So "I eat neither meat nor fish" comes out with a triple-stacked negative that is completely standard:

Я не ем ни мя́со, ни ры́бу.

I eat neither meat nor fish. — ни…ни requires не on the verb (не ем); the 'double negative' is obligatory.

У него́ нет ни вре́мени, ни жела́ния помога́ть.

He has neither the time nor the desire to help. — нет already negates; ни…ни lists the excluded things.

Она́ не сказа́ла ни сло́ва — ни мне, ни ему́.

She didn't say a word — neither to me nor to him. — ни…ни stacks freely after a negated verb.

This is the same concord logic that governs negative pronouns like никто́ and ничто́ (see никто́, ничто́): никто́ не пришёл ("nobody came," literally "nobody not came"). Russian simply does not allow a "stray positive verb" inside a negative statement. If you drop the не to match English, the sentence is ungrammatical, not merely odd.

A single ни can also intensify a negation on its own ("not a single"): ни одного́ челове́ка ("not a single person"), Ни ша́гу наза́д! ("Not a step back!").

то…то — "now…now" (alternation)

то…то describes something that alternates between states — "now this, now that," "one moment X, the next Y." It is not offering a choice; it is reporting a back-and-forth.

Пого́да стра́нная: то идёт дождь, то све́тит со́лнце.

The weather's strange: one moment it's raining, the next the sun's out. — то…то reports alternation, not a choice.

Ребёнок то смеётся, то пла́чет — не поймёшь, что с ним.

The child is now laughing, now crying — you can't tell what's wrong. — то…то paints a flickering back-and-forth.

не то…не то — "either…or" (uncertainty)

не то…не то expresses the speaker's uncertainty about which of two things is the case — "either X or Y, I honestly can't tell." The near-synonym то ли…то ли does the same job and is equally common.

Он сказа́л э́то не то в шу́тку, не то всерьёз.

He said it either as a joke or in earnest — I couldn't tell which. — не то…не то flags genuine uncertainty between two readings.

Note the difference from и́ли…и́ли: и́ли…и́ли offers a real choice between two live options ("pick one"); не то…не то reports the speaker's inability to decide which is true ("it was one or the other, but I don't know which").

The distinguishing insight: Russian negation works by concord, not cancellation

The thing to absorb is that Russian and English handle negation on opposite principles. English uses cancellation logic from formal grammar — two negatives make a positive, so I don't eat no meat is "corrected" to I eat no meat or I don't eat any meat, with exactly one negative allowed. Russian uses concord logic — a negative clause requires all its negative-friendly words to be negative, agreeing with one another. So ни…ни does not replace the не on the verb; it stacks on top of it. "I eat neither meat nor fish" is structurally "I not-eat neither meat nor fish," and dropping any of those negatives breaks the sentence. The same machinery powers никто́ не…, ничто́ не…, никогда́ не…, and ни одного́. Once you stop trying to make Russian negation balance like an equation and accept that negatives agree rather than cancel, the obligatory "double negative" stops feeling like an error and starts feeling like grammar doing its job.

Common Mistakes

❌ Я ем ни мя́со, ни ры́бу.

Wrong — ни…ни requires не on the verb. Russian negation is concord, not cancellation: keep the не.

✅ Я не ем ни мя́со, ни ры́бу.

I eat neither meat nor fish.

❌ Я не ем и́ли мя́со, и́ли ры́бу.

Wrong conjunction — to exclude both, use the negative ни…ни, not the choice-offering и́ли…и́ли.

✅ Я не ем ни мя́со, ни ры́бу.

I eat neither meat nor fish.

❌ И́ли ты извини́шься и́ли я ухожу́.

Missing comma — when и́ли is doubled (и́ли…и́ли), a comma goes before the second member.

✅ И́ли ты извини́шься, и́ли я ухожу́.

Either you apologize, or I'm leaving.

❌ Пого́да стра́нная: и́ли идёт дождь, и́ли све́тит со́лнце.

Wrong nuance — this isn't a choice but an alternation ('now rain, now sun'), which needs то…то, not и́ли…и́ли.

✅ Пого́да стра́нная: то идёт дождь, то све́тит со́лнце.

The weather's strange: now it rains, now the sun shines.

❌ У него́ нет ни вре́мени и ни жела́ния.

Wrong — don't insert и between the ни's; the pattern is ни X, ни Y, with a comma and a repeated ни, no и.

✅ У него́ нет ни вре́мени, ни жела́ния.

He has neither the time nor the desire.

Key Takeaways

и́ли = plain "or" (chai и́ли ко́фе); no comma before a single и́ли.
Doubled и́ли…и́ли / ли́бо…ли́бо = emphatic "either…or"; comma before the second member. ли́бо is the formal twin of и́ли.
ни…ни = "neither…nor" and keeps не on the verb: Я не ем ни мя́со, ни ры́бу. The double negative is obligatory.
то…то = "now…now," reporting alternation (то дождь, то со́лнце), not a choice.
не то…не то (= то ли…то ли) = "either…or," flagging the speaker's uncertainty about which is true.
Russian negation is concord, not cancellation: negatives agree and stack (никто́ не…, ни…ни… не…) rather than cancelling out.

Now practice Russian

Reading grammar gets you part of the way. The exercises are where it sticks — free, no signup needed.

Start learning Russian→