Heedless
Sluggish
Sluggish adjective - Moving or proceeding at less than the normal, desirable, or required speed.
Heedless and sluggish are semantically related. Sometimes you can use "Heedless" instead an adjective "Sluggish".
Nearby Words: sluggishness, sluggishly
Mutual synonyms
Cite this Source
Sluggish and Heedless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/heedless/sluggish
Heedless & Sluggish. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/heedless/sluggish>.
Sluggish or Heedless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/heedless/sluggish.
Google Ngram Viewer shows how "heedless" and "sluggish" have occurred on timeline