Enter a clue or pattern or both:
The Clue
Like some dental checkups (8 letter answer)
The Answer
BIANNUAL
Tags
Notes
The answer BIANNUAL is so rare that it appears less than once every 2500 puzzles.
Related Clues
Like equinoxes
Coming twice a year
Every other quarter
Definition
BIANNUAL as an adjective:
1. (semiannual, biannual, biyearly) = occurring or payable twice each year