Kafa je dobra.

Because kafa is a feminine singular noun, and the adjective must agree with it in gender and number.

• dobar = masculine singular
• dobra = feminine singular
• dobro = neuter singular

So:

• dobar čaj = good tea
• dobra kafa = good coffee
• dobro vino = good wine

In Kafa je dobra, both kafa and dobra are feminine singular.

Je is the 3rd person singular form of the verb biti (to be).

So in this sentence:

• kafa = coffee
• je = is
• dobra = good

This is the normal Serbian equivalent of an English sentence with is.

In standard Serbian, je is normally included in a sentence like this:

• Kafa je dobra.

Leaving it out would usually sound incomplete or unnatural in ordinary standard speech.

Serbian sometimes omits parts of sentences in casual conversation when the meaning is obvious, but for learners, you should treat je as required here.

In Serbian, nouns have grammatical gender: masculine, feminine, or neuter. This is not always about biological sex; objects also have grammatical gender.

Kafa is grammatically feminine, mainly because it ends in -a, which is a very common ending for feminine nouns.

That is why it takes feminine agreement:

• ova kafa = this coffee
• moja kafa = my coffee
• dobra kafa = good coffee

Both exist, depending on the variety of the language.

• In Serbian, kafa is the normal form.
• Kava is more typical in Croatian and some regional varieties.

So if you are learning Serbian specifically, kafa is the form to use.

The most neutral word order is:

• Kafa je dobra.

Serbian word order is more flexible than English, because endings and agreement help show the relationships between words. Different word orders can change the focus or emphasis.

For example:

• Kafa je dobra. = neutral statement
• Dobra je kafa. = emphasizes good
• Dobra kafa... = often the start of a longer phrase, such as Dobra kafa je važna.

So yes, other orders are possible, but Kafa je dobra is the simplest and most neutral version.

No, Serbian does not have articles like English a/an or the.

So kafa can mean:

• coffee
• a coffee
• the coffee

The exact meaning depends on context.

That is why Serbian can simply say:

• Kafa je dobra.

with no separate word for the or a.

A simple approximate pronunciation for an English speaker is:

• KAH-fah yeh DOH-brah

A few details:

• j in Serbian is pronounced like English y in yes
• r in dobra is a rolled or tapped r
• Serbian spelling is very phonetic, so words are usually pronounced as written

So:

• je sounds like yeh
• dobra is roughly DOH-brah

It can mean either, depending on context.

In a sentence like:

• Kafa je dobra.

it could mean:

• coffee in general is good
• this coffee is good
• the coffee is good

Serbian often relies on context rather than articles to make that clear.

It is in the nominative singular.

That is because kafa is the subject of the sentence:

• Kafa = the thing being described
• je dobra = is good

The adjective dobra is also in the nominative feminine singular because it agrees with kafa.

No, not with kafa.

Dobro is the neuter singular form, so it would have to describe a neuter noun, not a feminine one.

Since kafa is feminine, the correct form is:

• Kafa je dobra.

If the noun were neuter, then dobro would work:

• Vino je dobro. = The wine is good.

Yes. Like English good, Serbian dobar/dobra/dobro can cover a range of meanings depending on context.

With food and drink, it can mean:

• good
• nice
• tasty

So Kafa je dobra might mean the coffee is good in quality, pleasant, or tastes good.

It is neutral and works in both formal and informal situations.

Nothing in Kafa je dobra is slangy, overly formal, or unusual. It is a basic standard Serbian sentence.