Block and Unstop

Block

Block verb - To prevent passage through by filling with something.
Usage example: one of the patient's arteries was so blocked with fatty deposits that blood flow had been reduced to a trickle

Unstop is an antonym for block in obstruct topic.

Unstop

Unstop verb - To make passage through (something) possible by removing obstructions.
Usage example: the plumber unstopped the drain

Block is an antonym for unstop in clear topic.

Nearby Word: unstopping
Cite this Source
Unstop and Block. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/block/unstop
Block & Unstop. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/block/unstop>.
Unstop or Block. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/block/unstop.
Google Ngram Viewer shows how "block" and "unstop" have occurred on timeline