Nějaký vs. Žádný: Two Czech Words That Can Completely Change Your Sentence

Czech has a special talent for making tiny words surprisingly powerful. Take nějaký and žádný. One says, essentially, “There is something. I just don't know exactly what.” The other says, “There is absolutely nothing. Zero. Nada. Not even one.”

And because Czech likes to make things slightly more exciting, žádný usually brings a negative verb along for the ride. So let's make this simple.

Nějaký = Some / Any / A Certain

Nějaký means that something exists, but it's unspecified or not important enough to identify exactly.

Potřebuju nějaký nový počítač. = "I need some new computer."

You need a computer. You don't have a particular model in mind.

Hledám nějaký levný hotel. = "I'm looking for some cheap hotel."

Včera jsem měl nějaký divný sen. = "I had some strange dream yesterday."

It can also mean some kind of or some random:

Volal mi nějaký muž. = "Some man called me."

You don't know who he was or frankly, you don't care.

Žádný = No / Not Any

Now remove the thing completely. Žádný means there isn't even one. And this is important: žádný normally goes with a negative verb.

Nemám žádný čas. = "I don't have any time."

Nemáme žádné peníze. = "We don't have any money."

Neznám žádnou dobrou restauraci v okolí. = "I don't know any good restaurant nearby."

V lednici není žádné mléko. = "There isn't any milk in the fridge."

English speakers sometimes find this strange because English doesn't normally need both a negative verb and a negative word. Czech does.

In fact, Czech is perfectly happy with:

Nikdo mi nic neřekl. = "Nobody told me anything."

That's nobody + nothing + negative verb. Czech has entered the chat.

Nějaký vs. Žádný

The easiest way to remember the difference is to think about existence. If something exists, but you don't know exactly what or which one, use nějaký. If there isn't even one, use žádný.

Compare:

Mám nějaký problém. = "I have some problem."

There is a problem.

Nemám žádný problém. = "I don't have any problem."

There is no problem.

Or:

Máme nějaké možnosti. = "We have some options."

Nemáme žádné možnosti. = "We don't have any options."

That's the basic pattern you'll see everywhere.

But What About Questions?

Here's where nějaký is especially useful. In questions, it can often mean any.

Máte nějaký dotaz? = "Do you have any questions?"

Máš nějaký nápad? = "Do you have any idea?"

Znáš nějakou dobrou kavárnu? = "Do you know any good café?"

And the negative answer switches to žádný:

Nemám žádný dotaz. = "I don't have any questions."

Nemám žádný nápad. = "I don't have any idea."

Neznám žádnou dobrou kavárnu. = "I don't know any good café."

So remember:

  • nějaký → Is there something?

  • žádný → There isn't anything.

Don't Confuse Nějaký with Některý

One final little trap.

Nějaký usually means some unspecified one.

  • Potřebuju nějakou knihu. = "I need some book."

You don't care which one.

Některý means a certain one / some particular members of a group.

  • Některé knihy jsou opravdu zajímavé. = "Some books are really interesting."

So:

  • nějaký = I don't care exactly which one.

  • některý = I'm talking about certain ones within a group.

The Quick Rule

When you're unsure, ask yourself: Is there something, or is there nothing?

  • Something exists, but it's unspecified → nějaký

  • Nothing exists → žádný + negative verb

Why Is It Nějaký, Nějaká, Nějaké...?

And don't worry if nějaký and žádný suddenly seem to multiply. You haven't discovered six new words. Both nějaký and žádný change their endings to match the noun they describe. In other words, the ending tells you whether the noun is masculine, feminine, or neuter.

For the basic forms, it's actually quite easy:

Masculine: nějaký / žádný

  • Potřebuju nějaký nový telefon. = "I need some new phone."

  • Nemám žádný nový telefon.
    "I don't have any new phone."

Feminine: nějaká / žádná

  • Potřebuju nějakou novou tašku. = "I need some new bag."

  • Nemám žádnou novou tašku. = "I don't have any new bag."

Neuter: nějaké / žádné

  • Potřebuju nějaké nové auto. = "I need some new car."

  • Nemám žádné nové auto. = "I don't have any new car."

Notice the pattern:

nějaký → nějaká → nějaké
žádný → žádná → žádné

The same thing happens with the noun and adjective around them:

nějaký nový telefon → masculine
nějakou novou tašku → feminine
nějaké nové auto → neuter

And because Czech has cases, the endings can change even more:

Vidím nějakého muže.
"I see some man."

Nevidím žádného muže.
"I don't see any man."

Potřebuju nějakou radu.
"I need some advice."

Nemám žádnou radu.
"I don't have any advice."

So don't try to memorise nějaký, nějaká, nějaké, nějakého, nějakou... as completely separate words. Think of nějaký and žádný as words that follow the noun around and change their clothes to match it. Very Czech.

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