Plug and Slack

Opposite meaning words

Plug verb - To devote serious and sustained effort.

Usage example: plugged away at solving the math problem

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Slack is an antonym for plug.

Nearby Words: plugged, plugboard

Slack verb - To make less taut.

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Plug is an antonym for slack.

Nearby Words: slacken, slackened, slackness, slacker, slacked

Cite this Source

Slack and Plug. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/plug/slack

Plug & Slack. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/plug/slack>.

Slack or Plug. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/plug/slack.

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