Complacent
Complacent adjective - Having or showing a lack of interest or concern.
Slack and complacent are semantically related. in careless topic. In some cases you can use "Slack" instead an adjective "Complacent".
Slack
Slack adjective - Failing to give proper care and attention.
Complacent and slack are semantically related. Sometimes you can use "Complacent" instead an adjective "Slack".
Cite this Source
Slack and Complacent. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/complacent/slack
Complacent & Slack. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/complacent/slack>.
Slack or Complacent. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/complacent/slack.
Google Ngram Viewer shows how "complacent" and "slack" have occurred on timeline