The meaning of STOPPER is one that brings to a halt or causes to stop operating or functioning : check. How to use stopper in a sentence.

STOPPER definition: 1. an object that fits into the top of a bottle or other container: 2. a player on a sports team…. Learn more.

1. A device, such as a cork or plug, that is inserted to close an opening. 2. One that causes something to stop: a conversation stopper. 3. Games A card or cards enabling one to prevent one's opponents …

STOPPER definition: a person or thing that stops. See examples of stopper used in a sentence.

Definition of stopper noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A stopper is a device, object, or substance used to obstruct, block, or close off an opening or prevent the escape of a gas or liquid. It is commonly used in containers like bottles or tubes.

WordReference Random House Learner's Dictionary of American English © 2026 stop•per /ˈstɑpɚ/ n. [countable] a person or thing that stops. a plug, cork, or other piece for closing a bottle, tube, drain, …