This is the 2025th most frequent Polish word.
jedyne
"Jedyne" means "the only" in English.
Here the word 'jedyne' functions as an adjective referring to the unique or sole item within a context ('spokój').
Jedyne, czego pragnę, to spokój.
The only thing I desire is peace.
In this sentence, 'jedyne' specifies uniqueness or exclusivity of the solution, emphasizing there is no alternative.
To jest jedyne rozwiązanie tego problemu.
This is the only solution to this problem.
'Jedyne' in this context serves to underscore the simplicity or limitation of the required action (making a decision).