1. [informal] Hinder or prevent (the efforts, plans, or desires) of
   "Their defensive strategy scuppered their attempt to score";
   - thwart, queer [informal], spoil, scotch, foil, cross, frustrate, baffle, bilk [informal]
    
2. Put in a dangerous, disadvantageous, or difficult position
   "The unexpected costs scuppered the project";
   - queer [informal], expose, endanger, peril
    
3. [Brit] Deliberately sink a ship or boat
   "rather than let the ship fall into American hands, they scupperd it";
   - scuttle

1. Drain that allows water on the deck of a vessel to flow overboard
   "The scuppers prevented water from accumulating on the ship's deck during the storm"

Derived forms: scuppering, scuppered, scuppers

Type of: affect, bear on, bear upon, drain, drainpipe, forbid, foreclose, forestall, impact, preclude, prevent, waste pipe

Encyclopedia: Scupper