Slack and Unforgetful

Opposite meaning words

Slack adjective - Failing to give proper care and attention.

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Unforgetful is an antonym for slack.

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

Definitions of Slack not found.

Slack is an antonym for unforgetful in strong topic.

Cite this Source

Unforgetful and Slack. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/slack/unforgetful

Slack & Unforgetful. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/slack/unforgetful>.

Unforgetful or Slack. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/slack/unforgetful.

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