This is the 8063rd most frequent Polish word.
nieważne
Unimportant; irrelevant; never mind.
The word 'nieważne' indicates that the specific event or situation is irrelevant to the speaker's commitment to supporting the listener.
Nieważne, co się stanie, zawsze będę cię wspierać.
It doesn't matter what happens, I will always support you.
In this context, 'nieważne' refers to something that once had significance but no longer holds importance or relevance.
Powiedział mi coś ważnego, ale teraz to już nieważne.
He told me something important, but now it's no longer relevant.
Here, 'nieważne' is used to question the degree of importance of a matter, suggesting a reevaluation.