be not to know

verb

To not have the required information.

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Meanings

verbbe not to know (third-person singular simple present is not to know, present participle being not to know, simple past was not to know, past participle been not to know)

present singular third person is not to know · participle present being not to know · past was not to know · participle past been not to know

  1. UKespeciallyTo not have the required information.

    You weren’t to know.

    You couldn’t have known.

  2. Used other than figuratively or idiomatically: see be, not, to, know.
Cite this entry
APA

be not to know. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/be%20not%20to%20know

MLA

“be not to know.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/be%20not%20to%20know. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “be not to know,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/be%20not%20to%20know.

Source: be not to know on Wiktionary, CC BY-SA 4.0.