Plug up and Unplug

Plug up

Plug up verb - To prevent passage through by filling with something.
Usage example: hair plugged up the drain

Unplug is an antonym for plug up.

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

Plug up is an antonym for unplug.
Cite this Source
Unplug and Plug up. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/plug_up/unplug
Plug up & Unplug. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/plug_up/unplug>.
Unplug or Plug up. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/plug_up/unplug.
Google Ngram Viewer shows how "plug up" and "unplug" have occurred on timeline