Enter a clue or pattern or both:
The Clue
Memorable, as a day (9 letter answer)
The Answer
REDLETTER
Tags
Notes
The answer REDLETTER is rarely seen, appearing only about once every 1500 puzzles.
Related Clues
Memorable
Important, in a way
Noteworthy, as a day
Outstanding, as a day
Like some days
Having special significance