impedimento significa in inglese

setback [setbacks]▼(adverse event, obstacle)
noun
[UK: ˈset.bæk] [US: ˈset.ˌbæk]

hamper [hampers]▼(anything which impedes)
noun
[UK: ˈhæmp.ə(r)] [US: ˈhæmp.r̩]

hindrance [hindrances]▼(something which hinders)
noun
[UK: ˈhɪn.drəns] [US: ˈhɪn.drəns]

showstopper [showstoppers]▼(impediment to progress)
noun

trouble [troubles]▼(effort)
noun
[UK: ˈtrʌb.l̩] [US: ˈtrʌb.l̩]