Stop up and Unplug

Opposite meaning terms

Stop up verb - To prevent passage through by filling with something.

Usage example: clear the leaves out of the rain gutters so they don't stop up the downspouts again

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Unplug is an antonym for stop up in topics: block, obstruct, make airtight.

Unplug verb - To make passage through (something) possible by removing obstructions.

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Stop up is an antonym for unplug.

Cite this Source

Unplug and Stop up. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/stop_up/unplug

Stop up & Unplug. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/stop_up/unplug>.

Unplug or Stop up. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/stop_up/unplug.

Google Ngram Viewer shows how "stop up" and "unplug" have occurred on timeline