Increase and Slacken

Opposite meaning words

Increase verb - To make greater in size, amount, or number.

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Slacken is an antonym for increase.

Slacken verb - To make less taut.

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Increase is an antonym for slacken in decrease topic.

Nearby Words: slack, slackness, slacker, slackening

Cite this Source

Slacken and Increase. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/increase/slacken

Increase & Slacken. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/increase/slacken>.

Slacken or Increase. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/increase/slacken.

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