stopper
Definitions
A plug, cork, or similar object used to close an opening or bottle.
A person or thing that prevents or halts an action or process.
A player in a sports team whose primary role is to prevent the opposition from scoring.
Examples
She pulled the rubber stopper out of the bottle to pour the wine.
The door stopper prevented the heavy oak door from slamming shut.
Synonyms
Antonyms
opener facilitator release unblocker starter passage clearance