Book that might require a key to open Crossword Clue

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Here is the answer for the crossword clue Book that might require a key to open last seen in New York Times puzzle. We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 5 letters. We think the likely answer to this clue is DIARY.

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Crossword Answer For Book that might require a key to open:

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40 Potential Answers:

RankAnswerLengthSourceDate
98% DIARY Book that might require a key to open (5) New York Times Sep 25, 2017
3% NEED Requirement (4) The Telegraph Quick Sep 6, 2025
3% BASALT Rock band, half-cut, opening in strange key (6) The Times Cryptic Aug 27, 2025
3% SLOPPYKISS *Sign of affection that might require cleanup (10) Wall Street Journal Aug 13, 2025
3% NEEDS Requires (5) Commuter Aug 11, 2025
3% MUST Is required to (4) USA Today Aug 8, 2025
3% NEEDED Required (6) Newsday Aug 4, 2025
3% APPENDIX Book section that might be taken out? (8) The Telegraph Cross Atlantic Aug 1, 2025
3% TRUSTFALL It might require a good support system at work (9) USA Today Jul 25, 2025
3% BLOOM Open book to appear threatening (5) The Times Cryptic Jul 24, 2025

Last appeared together with the following clues in New York Times puzzle

Book that might require a key to open Crossword Clue
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We found 40 solutions for Book that might require a key to open. The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is DIARY.

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With our crossword solver search engine you have access to over 7 million clues. You can narrow down the possible answers by specifying the number of letters it contains. We found more than 40 answers for Book that might require a key to open.