Dam and Unplug

Dam

Dam verb - To prevent passage through by filling with something.
Usage example: ice floes were damming the river

Unplug is an antonym for dam.

Unplug

Unplug verb - To make passage through (something) possible by removing obstructions.
Usage example: the chimney should work just fine once it is unplugged and cleaned out

Dam is an antonym for unplug.
Cite this Source
Unplug and Dam. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/dam/unplug
Dam & Unplug. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/dam/unplug>.
Unplug or Dam. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/dam/unplug.
Google Ngram Viewer shows how "dam" and "unplug" have occurred on timeline