WordWeb Online

1. Something that interferes with (or delays) action or progress
   - hindrance, deterrent, impediment, balk, baulk [Brit], check, handicap
    
2. Any obstruction that impedes or is burdensome
   - hindrance, hitch, preventive, preventative, encumbrance, incumbrance, interference
    
3. The act of hindering, obstructing or impeding
   - hindrance, interference

Derived forms: hinderances

Type of: act, deed, difficultness, difficulty, fix [informal], hole [informal], human action, human activity, impediment, impedimenta, jam [informal], kettle of fish [informal], mess [informal], muddle [informal], obstructer, obstruction, obstructor, pickle [informal]