This is the 16456th most frequent Polish word.
wiarygodna
Reliable; credible.
In this sentence, 'wiarygodna' is used as an adjective describing the noun 'informacja', indicating that the information is credible and trustworthy.
To jest bardzo wiarygodna informacja.
This is very reliable information.
Here, 'wiarygodnej' modifies 'osoby', showing the use of 'wiarygodna' in its genitive singular form to emphasize reliability in a person.
Szukałem najbardziej wiarygodnej osoby do tego zadania.
I searched for the most trustworthy person for this task.
In this instance, 'wiarygodna' is used in its masculine singular form 'wiarygodny' to describe 'raport', showing flexibility in the word's application across genders.