Roar
Roar verb - To make a long loud deep noise or cry.
Usage example: the car's engine roared as it sped away
Rumble is a synonym for roar in boom topic. In some cases you can use "Rumble" instead the word "Roar" as a verb or a noun, when it comes to topics like thunder, mumble, growl, loud noise. popular alternative
Mutual synonyms
Cite this Source
Rumble and Roar. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/roar/rumble
Roar & Rumble. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/roar/rumble>.
Rumble or Roar. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/roar/rumble.
Google Ngram Viewer shows how "roar" and "rumble" have occurred on timeline