Definitions:

1. (bridge) a playing card with a value sufficiently high to insure taking a trick in a particular suit noun
   • if my partner has a spade stopper I can bid no trump
2. close or secure with or as if with a stopper verb
   • They stoppered the wine bottle.

Synonyms:

• conversation stopper
• plug
• show-stopper
• stopple

NearBy Words:

• stoppered