Regrettably
Regrettably adverb - By bad luck.
Thoughtfully and regrettably are semantically related. In some cases you can use "Thoughtfully" instead an adverb "Regrettably".
Thoughtfully
Thoughtfully adverb - With good reason or courtesy.
Regrettably and thoughtfully are semantically related. Sometimes you can use "Regrettably" instead an adverb "Thoughtfully".
Cite this Source
Thoughtfully and Regrettably. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/regrettably/thoughtfully
Regrettably & Thoughtfully. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/regrettably/thoughtfully>.
Thoughtfully or Regrettably. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/regrettably/thoughtfully.
Google Ngram Viewer shows how "regrettably" and "thoughtfully" have occurred on timeline