Meanings
nounblack day (plural black days)
plural black days
- idiomaticA day of great disaster, misfortune or unhappiness.
Cite this entry
APA
black day. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/black%20day
MLA
“black day.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/black%20day. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “black day,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/black%20day.
Source: black day on Wiktionary, CC BY-SA 4.0.