Pokoj vypadá dobře.

Yes. Pokoj can mean both room and peace in Czech.

In this sentence, it means room, because vypadá dobře means looks good, so the context is clearly about how a room appears.

So:

• pokoj = room
• pokoj = peace

Czech often relies on context to tell you which meaning is intended.

Vypadá is the 3rd person singular present tense form of the verb vypadat.

That means it is used with subjects like:

• on = he
• ona = she
• ono = it
• any singular noun, such as pokoj

So:

• pokoj vypadá = the room looks

In the present tense, Czech verbs agree with the subject in person and number. Gender does not affect the present-tense verb form here.

Because Czech does not have articles like a, an, or the.

So pokoj can mean:

• a room
• the room
• just room, depending on context

English forces you to choose an article, but Czech usually leaves that information to context.

If you want to make it more specific in Czech, you can sometimes use words like ten (that/the one), for example:

• Ten pokoj vypadá dobře. = That/The room looks good.

But in many situations, just pokoj is perfectly natural.

Because dobře is an adverb, and after vypadat Czech normally uses an adverb to describe how something looks overall.

So:

• dobře = well / good, in an adverbial sense

In this sentence:

• Pokoj vypadá dobře. = The room looks good.

Using dobrý/dobrá/dobré here would sound wrong in standard Czech.

This is a pattern worth remembering:

• vypadá dobře = looks good
• vypadá špatně = looks bad
• vypadá hezky = looks nice

Even though English uses an adjective in looks good, Czech uses the adverb dobře.

It can cover all of those ideas, depending on context.

In a sentence like Pokoj vypadá dobře, vypadat is usually best understood as:

• to look
• sometimes to appear or to seem

So it is a very useful everyday verb for talking about appearance or impression.

Examples:

• Dům vypadá starý. = The house looks old.
• To vypadá dobře. = That looks good.
• Vypadá unaveně. = He/She looks tired.

So the core idea is: how something appears to you.

Pokoj is in the nominative singular, because it is the subject of the sentence.

You can tell because it is the thing doing the verb:

• pokoj = the room
• vypadá = looks

So literally, the structure is:

• room looks well/good

Also, pokoj is a masculine inanimate noun.

Its dictionary form is also pokoj, so in this sentence you are seeing the basic form of the noun.

The neutral, most natural word order here is:

• Pokoj vypadá dobře.

Czech word order is more flexible than English, so other orders are possible, but they usually change the emphasis.

For example:

• Dobře vypadá pokoj.
  This is possible, but it sounds more marked and would usually be used for emphasis or contrast.

For a learner, the safest choice is the normal order:

• subject + verb + adverb

So Pokoj vypadá dobře is the best basic version to learn first.

A rough English-friendly pronunciation is:

PO-koy VI-pa-daa DOB-zheh

A bit more carefully:

• pokoj ≈ PO-koy
• vypadá ≈ VI-pa-daa
• dobře ≈ DOB-zheh

A few notes:

• j in Czech is like English y
• á is a long vowel
• ř in dobře is a special Czech sound; English speakers usually approximate it with something like zh/rzh

You do not need a perfect ř right away. If you say something close to dob-zheh, people will usually understand you.

Yes, in the right context.

Czech often leaves out the subject if it is already understood. So:

• Vypadá dobře. = It looks good / He looks good / She looks good

The exact meaning depends on context.

But if you want to make it clear that you are talking about the room, then keeping pokoj is better:

• Pokoj vypadá dobře.

So both are possible:

• Pokoj vypadá dobře. = explicit subject
• Vypadá dobře. = subject understood from context

Yes, it is natural and correct.

It sounds like a normal everyday comment about a room’s appearance. Depending on context, a Czech speaker might also say:

• Pokoj vypadá hezky. = The room looks nice.
• Pokoj vypadá pěkně. = The room looks nice.
• Ten pokoj vypadá dobře. = That room looks good.

So your sentence is a good, useful model for basic Czech sentence structure.