Breakneck
Breakneck adjective - Moving, proceeding, or acting with great speed.
Threatening and breakneck are semantically related. In some cases you can use "Threatening" instead an adjective "Breakneck".
Threatening
Threatening adjective - Giving signs of immediate occurrence.
Breakneck and threatening are semantically related. Sometimes you can use "Breakneck" instead an adjective "Threatening".
Cite this Source
Threatening and Breakneck. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/breakneck/threatening
Breakneck & Threatening. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/breakneck/threatening>.
Threatening or Breakneck. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/breakneck/threatening.
Google Ngram Viewer shows how "breakneck" and "threatening" have occurred on timeline