1. (something immaterial that interferes with or delays action or progress)
zawada, ciężar, kamień u szyi, kula u nogi, piąte koło u wozu
synonim: hindrance
synonim: deterrent
synonim: impediment
synonim: balk
synonim: baulk
synonim: check
synonim: handicap

2. (the act of hindering or obstructing or impeding)
utrudnianie: : synonim: hindrance
synonim: interference