stopper

Meanings

• an act so striking or impressive that the show must be delayed until the audience quiets down
• a remark to which there is no polite conversational reply
• (bridge) a playing card with a value sufficiently high to insure taking a trick in a particular suit
  • "if my partner has a spade stopper I can bid no trump"
• blockage consisting of an object designed to fill a hole tightly
• close or secure with or as if with a stopper
  • "She stoppered the wine bottle"
  • "The mothers stoppered their babies' mouths with pacifiers"

Synonyms

conversation stopper, plug, show-stopper, showstopper, stopple