un·​guess·​able | \ ˌən-ˈge-sə-bəl How to pronounce unguessable (audio) \

Definition of unguessable

: impossible to guess an unguessable outcome

Examples of unguessable in a Sentence

Recent Examples on the Web Use different, totally unguessable passwords for every website, without repeating them or writing them down. Andy Greenberg, Wired, "‘DiceKeys’ Creates a Master Password for Life With One Roll," 21 Aug. 2020 With little more than a plastic contraption that looks a bit like a Boggle set and an accompanying web app to scan the resulting dice roll, DiceKeys creates a highly random, mathematically unguessable key. Andy Greenberg, Wired, "‘DiceKeys’ Creates a Master Password for Life With One Roll," 21 Aug. 2020 In the PowerPoint, Nintendo explains—during the early stages of Wii—that having randomly assigned, unguessable numbers keeps players safe from those who might invade their privacy. Caroline Delbert, Popular Mechanics, "Giant Leak Releases Nintendo Source Code Into the Wild," 7 May 2020 Vingcard's system encodes a unique cryptographic key into each keycard—and another into every hotel's master keys—that are all designed to be unguessable. Andy Greenberg, WIRED, "A One-Minute Attack Let Hackers Spoof Hotel Master Keys," 25 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unguessable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unguessable

1832, in the meaning defined above

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The first known use of unguessable was in 1832

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Last Updated

16 Sep 2020

Cite this Entry

“Unguessable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unguessable. Accessed 21 Sep. 2020.

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