Stop up and Unblock

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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Unblock is an antonym for stop up in topics: block, obstruct.

Unblock verb - To rid the surface of (as an area) from things in the way.

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Stop up is an antonym for unblock.

Nearby Word: unblocking

Cite this Source

Unblock and Stop up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/stop_up/unblock

Stop up & Unblock. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/stop_up/unblock>.

Unblock or Stop up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/stop_up/unblock.

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