1) Blocked 2) Got in the way of 3) Hampered 4) Handicapped 5) Hindered 6) Made difficult or slow 7) Obstructed 8) Retarded 9) Slowed the flow of 10) Stood in the way of 11) Tried to thwart 1) Embarrassed 2) Obstructed 
• (imp. & p. p.) of Impede
[adj] - made difficult or slow
adjective made difficult or slow; `we blamed our impeded progress on lack of money`