This is the 12688th most frequent Polish word.
niekorzyść
"Disadvantage" or "detriment."
The word 'niekorzyść' is used to indicate a situation that is unfavorable or disadvantageous for someone.
Decyzja ta była na jego niekorzyść.
This decision was to his disadvantage.
Here, 'niekorzyść' conveys the idea of something being unfavorable or detrimental to a group of people.
Zmiana przepisów działa na naszą niekorzyść.
The change in regulations works to our disadvantage.
In this case, 'niekorzyść' is presented in plural to refer to specific unfavorable aspects or drawbacks of a proposal.