Heedless
Heedless adjective - Not paying or showing close attention especially for the purpose of avoiding trouble.
Preposterous and heedless are semantically related. In some cases you can use "Preposterous" instead an adjective "Heedless".
Preposterous
Preposterous adjective - Conceived or made without regard for reason or reality.
Heedless and preposterous are semantically related. Sometimes you can use "Heedless" instead an adjective "Preposterous".
Cite this Source
Preposterous and Heedless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/heedless/preposterous
Heedless & Preposterous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/heedless/preposterous>.
Preposterous or Heedless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/heedless/preposterous.
Google Ngram Viewer shows how "heedless" and "preposterous" have occurred on timeline