memorable for being a special occasion;
"on red-letter nights a large gathering greeted the celebrity"
- The story of the scarlet letter grew into a legend.
- But through the remainder of Hester's life there were indications that the recluse of the scarlet letter was the object of love and interest with some inhabitant of another land.
- We often denote danger by red letters.
- The letter was indicated in bold, uppercase text.