Headlong and Instanter

Headlong

Headlong adverb - Without delay.
Usage example: had barely finished the last project when we went headlong into the next one

Instanter and headlong are semantically related. In some cases you can use "Instanter" instead an adverb "Headlong".

Instanter

Instanter adverb - Without delay.
Usage example: as soon as I had called out that answer, I instanter knew that it was wrong

Headlong and instanter are semantically related. Sometimes you can use "Headlong" instead an adverb "Instanter".
Cite this Source
Instanter and Headlong. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/headlong/instanter
Headlong & Instanter. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/headlong/instanter>.
Instanter or Headlong. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/headlong/instanter.
Google Ngram Viewer shows how "headlong" and "instanter" have occurred on timeline