Ovaj uslov je važan.

Word by word:

• ovaj = this
• uslov = condition, requirement, or sometimes term
• je = is
• važan = important

So the structure is very straightforward: This condition is important.

Because ovaj has to agree with uslov in gender, number, and case.

Uslov is:

• masculine
• singular
• nominative here

So the demonstrative must also be masculine singular nominative:

• ovaj = masculine
• ova = feminine
• ovo = neuter

Compare:

• ovaj uslov = this condition
• ova knjiga = this book
• ovo pitanje = this question

It is in the nominative case.

Why? Because ovaj uslov is the subject of the sentence — the thing being described as important.

In Serbian, the subject of a basic sentence is usually in the nominative:

• Ovaj uslov je važan. = This condition is important.

You can also recognize it from the forms:

• ovaj is the masculine singular nominative form of this
• uslov is also in its basic dictionary form here

Because adjectives in Serbian agree with the noun they describe.

Since uslov is masculine singular nominative, the adjective must also be masculine singular nominative:

• važan = masculine singular
• važna = feminine singular
• važno = neuter singular

Examples:

• Ovaj uslov je važan. = This condition is important.
• Ova odluka je važna. = This decision is important.
• Ovo pravilo je važno. = This rule is important.

So važan matches uslov.

Je is the 3rd person singular present tense of biti (to be), so it means is.

In this sentence, it connects the subject and the adjective:

• Ovaj uslov = subject
• je = is
• važan = predicate adjective

So:

• Ovaj uslov je važan. = This condition is important.

Normally, you do not omit je in a standard sentence like this. Serbian often drops subject pronouns such as ja, ti, on, but not the copula here.

The most neutral word order is:

• Ovaj uslov je važan.

But Serbian word order is more flexible than English, and changing it can shift the emphasis.

For example:

• Ovaj uslov je važan. = neutral
• Važan je ovaj uslov. = emphasizes important
• Ovaj je uslov važan. = emphasizes this

So yes, the order can change, but the original sentence is the most natural basic version for learners.

Because Serbian does not have articles like English the and a/an.

That means Serbian usually expresses definiteness through:

• context
• word order
• demonstratives like ovaj (this), taj (that), etc.

So:

• uslov can mean a condition or the condition, depending on context
• ovaj uslov specifically means this condition

English speakers often look for an article, but Serbian simply does not use one.

A rough pronunciation is:

• VAH-zhan

Helpful notes:

• ž sounds like the s in measure or the g in genre
• the a is a clear open vowel, like a in father

So važan is approximately:

• VAH-zhan

Also, Serbian spelling is quite phonetic, so words are usually pronounced much more closely to the way they are written than in English.

In Serbian Cyrillic, it is:

• Овај услов је важан.

Serbian officially uses both scripts:

• Latin: Ovaj uslov je važan.
• Cyrillic: Овај услов је важан.

They are completely equivalent in meaning.

Not always exactly. Uslov is a flexible word and can mean:

• condition
• requirement
• prerequisite
• sometimes term

Depending on context:

• pod jednim uslovom = under one condition
• ispuniti uslove = meet the requirements
• životni uslovi = living conditions

So in Ovaj uslov je važan, the best translation is usually This condition is important, but in another context it might be closer to requirement.