Meanings
Synonyms & antonyms
adjectiveVery black (especially of a mood, a frown, etc.).
Cite this entry
black as thunder. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/black%20as%20thunder
“black as thunder.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/black%20as%20thunder. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “black as thunder,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/black%20as%20thunder.
Source: black as thunder on Wiktionary, CC BY-SA 4.0.