thunderous
adj.describing a sound that is very loud and deep, like a thunderstorm. It can also describe a strong, powerful feeling or a large, impressive crowd.
adj.characterised by a deep, resonant, and powerful sound; metaphorically describes overwhelming force or intensity. Often used to describe applause, approval, or physical impact.
“The crowd gave a thunderous cheer when the team won.”
“The speaker's thunderous voice filled the entire hall, ensuring that every person in the back could hear the message clearly.”
“The thunderous applause that followed the final act was a testament to the audience's deep emotional investment in the performance, drowning out the usual murmurs of the lobby.”
From thunder + -ous.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.