Open and Stop up

Opposite meaning terms

Open verb - To change from a closed to an open position.

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Stop up is an antonym for open.

Nearby Words: opening, openness, opened, opener

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

Cite this Source

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

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

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

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