black-letter day

[ blak-let-er ]
/ ˈblækˌlɛt ər /

noun

an unlucky or tragic day.

Origin of black-letter day

First recorded in 1750–60

Words nearby black-letter day

black-figure, black-footed ferret, black-headed fireworm, black-headed gull, black-hearted, black-letter day, black-light trap, black-market, black-marketeer, black-on-black, black-tailed deer