1. (

• impede ,
• hinder ,

) be a hindrance or obstacle to; "She is impeding the progress of our project" ;

2. (

• obstruct ,
• obturate ,
• impede ,
• occlude ,
• jam ,
• block ,
• close_up

) block passage through; "obstruct the path" ;

1. (

• clogging ,
• hindering ,
• impeding ,
• obstructive

) preventing movement; "the clogging crowds of revelers overflowing into the street" ;