im·pede 
/ɪmˈpi:d/ verb
im·pedes; im·ped·ed; im·ped·ing /ɪmˈpi:d/ verb [+ obj] : to slow the movement, progress, or action of (someone or something)
▪ He claims that economic growth is being impeded by government regulations. ▪ They were accused of impeding [=blocking, hindering] the administration of justice. ▪ The soldiers could not impede the enemy's advance.
▪ He claims that economic growth is being impeded by government regulations. ▪ They were accused of impeding [=blocking, hindering] the administration of justice. ▪ The soldiers could not impede the enemy's advance.
