Hinder
Else clues• Block
• Defeat
• Effectively oppose
• Foil
• Foil the plans of
• Frustrate
• Keep from happening
• Oppose successfully
• Prevent from happening
• Short-circuit
• Stymie
• Stymie, as plans
• Wreck the plans of
• A crosspiece spreading the gunnels of a boat
• Used as a seat in a rowboat