What is a good onomatopoeia for thunder?
Percussion, doubled, redoubled, crashing, rolling, cascading, bomb, — any word that has a “crashing” sound or an “explosive” sound could be evocative of thunder, in one’s imagination. “Boom!” could be a one-word sound for thunder. If you are writing something, as a story or a poem, you can string a lot of “thundery” sounding words together, to get the idea across. The list above is not at all complete — just an example of a few words that can bring the sound of thunder to mind.
