Meanings
nouncastle thunder (uncountable)
- uncountableA stock sound effect of a loud thunderclap during a rainstorm, used in numerous films.
Origin
From the fact that it is commonly used in film scenes depicting a sinister castle illuminated by lightning flashes.
Full word history & related roots →Cite this entry
APA
castle thunder. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/castle%20thunder
MLA
“castle thunder.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/castle%20thunder. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “castle thunder,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/castle%20thunder.
Source: castle thunder on Wiktionary, CC BY-SA 4.0.