Enter a clue or pattern or both:
The Clue
Like most library books (9 letter answer)
The Answer
RENEWABLE
Tags
Notes
The answer RENEWABLE is so rare that it appears less than once every 2500 puzzles.
Related Clues
Like wind and solar energy
Definition
RENEWABLE as an adjective:
1. that can be renewed or extended; "a renewable lease"; "renewable subscriptions"
2. capable of being renewed; replaceable; "renewable energy such as solar energy is theoretically inexhaustible"