This is the 4003rd most frequent Polish word.
wbrew
"Against" or "contrary to."
'Wbrew' is used to show an action contrary to one's own interests.
Działa wbrew swoim interesom, pomagając rywalowi.
He acts against his interests by helping his rival.
'Wbrew' is used to express something happening in opposition or contrary to expectations.
Wbrew jego oczekiwaniom, egzamin poszedł bardzo dobrze.
Contrary to his expectations, the exam went very well.
'Wbrew' here is used to indicate an action taken against a prohibition or rule.