Open up and Stop up

Opposite meaning terms

Open up verb - Cause to open or to become open.

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Stop up is an antonym for open up.

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 up is an antonym for stop up.

Cite this Source

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

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

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

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