unknown to

idiom

: without being known about by (someone)
Unknown to me, my partner was organizing a surprise party for my birthday.

Examples of unknown to in a Sentence

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New research suggests that a volcanic eruption or multiple eruptions, unknown to Europe’s inhabitants, most likely catalyzed the pandemic’s arrival on the continent’s shores. Evan Bush, NBC news, 4 Dec. 2025 But the geotech reports, together with the UM study, show there is lots of learning left to be done about settlement concerns that remain largely unknown to the public and unmonitored by any regulators. Denise Hruby, Miami Herald, 1 Dec. 2025 Although unknown to some, audiences will also see several parallels between Freeman and Vivian in the Peacock series. Okla Jones, Essence, 26 Nov. 2025 Heritage Auctions Vice President Lon Allen said the comics were previously unknown to the family, the members of which did not want to be identified. Mason Leath, ABC News, 25 Nov. 2025 See All Example Sentences for unknown to

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“Unknown to.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unknown%20to. Accessed 21 Dec. 2025.

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