Top-secret proverb? (15 letters) — Crossword Helper

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The Clue

Top-secret proverb? (15 letter answer)

The Answer

CLASSIFIEDADAGE

Tags

classifiedadage meant not proverb repeated secret top

Notes

The answer CLASSIFIEDADAGE is so rare that it appears less than once every 2500 puzzles.

Related Clues

Proverb not meant to be repeated?