не́чем vs ниче́м

nechem vs nichem — nothing to use with vs with/by nothing

What it really means

Не́чем is the stressed не- form meaning that no tool, material, or means is available for an intended action. It commonly comes before an infinitive: мне не́чем открыть дверь means “I have nothing to open the door with.” It expresses an absent means and does not need another не.

Ниче́м is the instrumental form of ничто, meaning “with/by nothing” in a negative-concord clause. It normally accompanies не: он ниче́м не интересуется, “he is interested in nothing.” Use не́чем for a missing instrument or resource; use ниче́м when an actual action, relationship, or quality is denied for every possible means or thing.

Examples in natural speech

Мне не́чем открыть банку.
I have nothing to open the jar with.
Ему не́чем заплатить за билет.
He has nothing with which to pay for the ticket.
Он ниче́м не интересуется.
He is interested in nothing.
Я ниче́м не могу тебе помочь.
I cannot help you with anything.
Эта история ниче́м не примечательна.
This story is remarkable for nothing.

Common mistakes

Do not confuse the available-tool pattern мне не́чем открыть with a negative action я ниче́м не открыл (“I opened nothing with anything”). Keep не́чем + infinitive for a missing means, and use ниче́м with a finite verb and negative concord.

Memory tip

Не́чем removes the tool from your hand; ниче́м denies that any tool or quality applies.

Frequently asked questions

What does не́чем usually answer?

It answers Чем? in the sense of “with what?” when no tool or means is available: не́чем писать.

Is ниче́м an instrumental form?

Yes. Ниче́м is the instrumental form of ничто and can mean with/by nothing.

Can не́чем be used without an infinitive?

Yes when the action is understood, as in У меня не́чем платить?—У меня не́чем. The infinitive simply makes the missing means clearer.

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