hinder

[1]	hamper , impede , delay , interrupt , impede , interfere with , foil , thwart , frustrate , forestall , bar , stymie , check , balk/baulk , encumber , obstruct , handicap , set/keep/put/hold back , defer , retard , restrain , slow , postpone
[2]	stop , obstruct , blockade , prevent , check , block , stymie , preclude , arrest , stymy , embarrass , discourage , deter , inhibit , obviate
[3]	handicap , hamper

adj.

[1]	back , hind