Obstruct
Obstruct verb - To prevent passage through by filling with something.
Usage example: at the moment the city's only tunnel between downtown and the airport is obstructed by an overturned tanker truck
Stop up is a synonym for obstruct in block topic. In some cases you can use "Stop up" instead a verb "Obstruct", when it comes to topics like let.
Stop 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
Mutual synonyms
Cite this Source
Stop up and Obstruct. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/obstruct/stop_up
Obstruct & Stop up. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/obstruct/stop_up>.
Stop up or Obstruct. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/obstruct/stop_up.
Google Ngram Viewer shows how "obstruct" and "stop up" have occurred on timeline