1
: one that brings to a halt or causes to stop operating or functioning : check: such as
a
: a playing card that will stop the running of a suit
b
: a baseball pitcher depended on to win important games or to stop a losing streak
also
: an effective relief pitcher
2
: one that closes, shuts, or fills up
specifically
: something (such as a bung or cork) used to plug an opening
stoppered; stoppering
ˈstä-p(ə-)riŋ
: to close or secure with or as if with a stopper
stopper the bottle
Cite this Entry
“Stopper.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stopper. Accessed 14 Aug. 2026.
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