This is the 12701st most frequent Polish word.
nieocenioną
"Invaluable" or "priceless."
In this context, 'nieocenioną' highlights the immense value of assistance, emphasizing its importance.
Twoja pomoc w tej sprawie była nieocenioną.
Your help in this matter was invaluable.
Here, 'nieocenioną' describes the exceptional worth of someone's wisdom, indicating its irreplaceable nature.
Dzięki swojej wiedzy, stała się dla nas osobą o nieocenioną mądrości.
Thanks to her knowledge, she became a person of invaluable wisdom for us.
In this sentence, 'nieocenioną' refers to the significant and unparalleled value of historical documentation in the book.