Heedless
Heedless adjective - Not paying or showing close attention especially for the purpose of avoiding trouble.
Not observant and heedless are semantically related. In some cases you can use "Not observant" instead an adjective "Heedless".
Not observant
Heedless and not observant are semantically related. You can use "Heedless" instead an adjective phrase "Not observant".
Mutual synonyms
Cite this Source
Not observant and Heedless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/heedless/not_observant
Heedless & Not observant. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/heedless/not_observant>.
Not observant or Heedless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/heedless/not_observant.
Google Ngram Viewer shows how "heedless" and "not observant" have occurred on timeline