Enter a clue or pattern or both:
The Clue
Stronghold (8 letter answer)
The Answer
FASTNESS
Tags
Notes
The answer FASTNESS is so rare that it appears less than once every 2500 puzzles.
Definition
FASTNESS as a noun:
1. (speed, swiftness, fastness) = a rate (usually rapid) at which something happens; "the project advanced with gratifying speed"
2. (fastness, fixedness, fixity, fixture, secureness) = the quality of being fixed in place as by some firm attachment
3. (stronghold, fastness) = a strongly fortified defensive structure