Jamstveni rok više ne vrijedi.

The warranty period is no longer valid.

Breakdown of Jamstveni rok više ne vrijedi.

• više ne: no longer
• vrijediti: to be valid
• jamstveni rok: the warranty period

Questions & Answers about Jamstveni rok više ne vrijedi.

What exactly is jamstveni rok?

Jamstveni rok is a fixed expression meaning the warranty period or guarantee period.

• jamstveni = relating to a warranty/guarantee
• rok = period, deadline, term

So jamstveni rok is the whole noun phrase, and rok is the main noun.

Why is it jamstveni and not some other form?

Because jamstveni is an adjective agreeing with rok.

Here, rok is:

• masculine
• singular
• nominative (because it is the subject of the sentence)

So the adjective must match it:

• jamstveni rok

If the noun changed, the adjective would change too.

What does više ne mean here?

više ne means no longer or not anymore.

This is a very common Croatian pattern:

• više by itself often means more
• but više ne together means no longer

So in this sentence, više ne vrijedi = is no longer valid / no longer applies.