as in to stop (up)
to prevent passage through by filling with something
hair plugged up the drain
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for plug (up)
Verb
-
Cans block harmful light better than bottles, whose long necks can allow light and oxygen that speed up aging.—
Kait Hanson,
Southern Living,
29 May 2026 -
The acid also blocks tyrosinase, an enzyme involved in melanin production that can become overactive due to the body’s inflammatory response during a shingles infection.—
Alyssa Sparacino,
Glamour,
29 May 2026
Verb
-
There was also the problem of propeller blades in front, obstructing a clear shot at German enemy aircraft.—
Rachel Treisman,
NPR,
26 May 2026
-
The judge said that the government met its burden in proving that Farwell is at risk of fleeing, obstructing justice, and causing harm to others if released pre-trial.—
Colleen Cronin,
Boston Herald,
26 May 2026
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Cite this Entry
“Plug (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/plug%20%28up%29. Accessed 30 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
