This is the 17776th most frequent Polish word.
zupełne
Complete; absolute; total.
Here, 'zupełne' is used as an adjective to convey the meaning of 'complete' or 'entire'.
To jest zupełne nieporozumienie.
This is a complete misunderstanding.
The word 'zupełne' modifies the noun 'zaufanie,' emphasizing the totality or wholeness of the trust being described.
Mam zupełne zaufanie do tej metody.
I have complete trust in this method.
In this sentence, 'zupełnym' is an adjective in the instrumental case, agreeing with the noun 'bałaganie' to describe a state of disorder.