Enter a clue or pattern or both:
The Clue
Fickle fellow's admission? (9 letter answer)
The Answer
IMMUTABLE
Tags
Notes
The answer IMMUTABLE is so rare that it appears less than once every 2500 puzzles.
Definition
IMMUTABLE as an adjective:
1. (immutable, changeless) = not subject or susceptible to change or variation in form or quality or nature; "the view of that time was that all species were immutable, created by God"