Plug and Slacken

Opposite meaning words

Plug verb - To devote serious and sustained effort.

Usage example: plugged away at solving the math problem

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Slacken is an antonym for plug.

Nearby Words: plugged, plugboard

Slacken verb - To make less taut.

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Plug is an antonym for slacken.

Nearby Words: slack, slackness, slacker, slackening

Cite this Source

Slacken and Plug. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/plug/slacken

Plug & Slacken. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/plug/slacken>.

Slacken or Plug. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/plug/slacken.

Google Ngram Viewer shows how "plug" and "slacken" have occurred on timeline