🇨🇿 Czech phrases

How to Say "I don't know" in Czech

The SPAIKING TeamJuly 27, 2026
Nevím
"I don't know" in Czech · say it like neh-veem

The most natural way to say "I don't know" in Czech is Nevím. Tap the speaker above to hear it, then say it back out loud. That is the fastest way to make it stick.

Other ways to say it

Není mi známo
More formal way to express uncertainty
Nemám ponětí
Casual expression, often used in conversation

When to use it

Use this phrase when you genuinely do not have the information someone is asking for. It can be used in both formal and informal contexts. It's a straightforward way to express uncertainty or lack of knowledge.

Say it out loud, get corrected

Reading it is not the same as saying it. Practice "I don't know" and thousands more with an AI coach that listens.

Examples in Czech

CzechEnglish
Nevím, kde je ta kniha.I don't know where the book is.
Nevím, co si o tom myslet.I don't know what to think about it.
Common mistake
Learners often confuse 'nevím' with 'nevíš', which means 'you don't know'.

The fastest way to remember it

Vocabulary you only read fades fast. Vocabulary you say out loud sticks. Hear Nevím, repeat it a few times, then use it in a real sentence. SPAIKING lets you practice exactly that, speaking Czech with a coach that corrects your pronunciation in real time. You can start with two free conversations.

Frequently asked questions

Can I use 'nevím' in a formal email?

Yes, it's appropriate in both formal and informal contexts.

Learn Czech by speaking it

Two free conversations. No card needed.