Enter a clue or pattern or both:
The Clue
Certain party (9 letter answer)
The Answer
SLEEPOVER
Tags
Notes
The answer SLEEPOVER is so rare that it appears less than once every 2500 puzzles.
Related Clues
Teen party
Teen party, maybe
Definition
SLEEPOVER as a noun:
1. an occasion of spending a night away from home or having a guest spend the night in your home (especially as a party for children)