to cause somebody/something/yourself to be in danger or to be suspected of something, especially by acting in a way that is not very sensible
به خطر انداختن, در معرض خطر قرار دادن, تضعیف کردن
She had already compromised herself by accepting his invitation.
Defeat at this stage would compromise their chances of reaching the finals of the competition.
The affair seriously compromised the party's prospects of electoral success.