Roar
Roar verb - To make a long loud deep noise or cry.
Usage example: the car's engine roared as it sped away
Thunder is a synonym for roar in boom topic. In some cases you can use "Thunder" instead the word "Roar" as a verb or a noun, when it comes to topics like uproar, sound like thunder, rumble, growl. popular alternative
Thunder
Thunder verb - To make a long loud deep noise or cry.
Usage example: as we got closer, the waterfall thundered louder and louder
Roar is a synonym for thunder in boom topic. You can use "Roar" instead the word "Thunder" as a verb or a noun, if it concerns topics such as uproar, sound, sound like thunder, rumble. popular alternative
Mutual synonyms
How words are described
| original | original roar | original thunder |
| loud | loud roar | loud thunder |
| deafening | deafening roar | deafening thunder |
| powerful | powerful roar | powerful thunder |
| Other adjectives: little, horrible, subsequent, occasional, supersonic. | ||
Both words in one sentence
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The driver had turned and backtracked instead of going on toward his destination; the attendant tried to call after him but had his voice drowned out by the thunder and the roar of the engine.
Source: Creepy Gas Station Attendant -
The Beastmaster's ultimate combines it with Onrushing Army: You hear a loud, echoing roar... and suddenly a stampede of exploding thunder lizards is decimating the enemy army.
Source: Screaming Warrior -
Thunder will roar when he calls, yet it will swallow him not.
Cite this Source
Thunder and Roar. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/roar/thunder
Roar & Thunder. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/roar/thunder>.
Thunder or Roar. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/roar/thunder.
Google Ngram Viewer shows how "roar" and "thunder" have occurred on timeline