Release and Stop up

Release

Release verb - To set free (from a state of being held in check).

Stop up is an antonym for release.

Nearby Words: released, releasing

Stop up

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

Release is an antonym for stop up in topics: block, obstruct, make airtight.
Cite this Source
Stop up and Release. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/release/stop_up
Release & Stop up. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/release/stop_up>.
Stop up or Release. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/release/stop_up.
Google Ngram Viewer shows how "release" and "stop up" have occurred on timeline