Enter a clue or pattern or both:
The Clue
Toughens (7 letter answer)
The Answer
ANNEALS
Tags
Notes
The answer ANNEALS is so rare that it appears less than once every 2900 puzzles.
Related Clues
Tempers
Definition
ANNEAL as a verb:
1. (anneal, temper, normalize) = toughen (steel or glass) by a process of gradually heating and cooling; "temper glass"