Definition of keyhole
(Entry 1 of 2)
1
: a hole for receiving a key
2
: key sense 10
keyhole
adjectiveDefinition of keyhole (Entry 2 of 2)
1
: revealingly intimate
a keyhole report
2
: intent on revealing intimate details
keyhole columnists
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Merriam-Webster unabridged
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Time Traveler for keyhole
The first known use of keyhole was in 1504
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