Rapid and Slack

Opposite meaning words

Rapid adjective - Moving, proceeding, or acting with great speed.

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Slack is an antonym for rapid in very quick topic.

Nearby Words: rapidly, rapidity

Slack adjective - Failing to give proper care and attention.

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Rapid is an antonym for slack.

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

Cite this Source

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

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

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

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