un·​ob·​served ˌən-əb-ˈzərvd How to pronounce unobserved (audio)
: not noticed or perceived : not observed
The two vessels slipped out of Plymouth, unobserved by Spanish spies …Samuel Eliot Morison
A welcoming place is almost by definition someplace out of sight, someplace private and unobserved.Jane Kramer

Examples of unobserved in a Sentence

Recent Examples on the Web The James Webb Space Telescope, a result of partnerships between NASA, the European Space Agency and the Canadian Space Agency, allows scientists to peer into previously unobserved parts of the cosmos. Cheyenne Black, Discover Magazine, 28 May 2024 But these events were either unobserved at the time or took place before scientists had the tools to identify what was happening, let alone chart in exquisite detail their impact on immune systems. Helen Branswell, STAT, 28 Mar. 2024 But by the time these conditions are discovered in a patient, the key evolutionary moment when an HSC lost its way has come and gone unobserved. Megan Molteni, STAT, 22 Jan. 2024 Never ones to let a celestial object go unobserved, astronomers turned to other wavelengths of light to peer behind the dust of our galaxy and into the depths of the Universe. Paul Sutter, Ars Technica, 24 Apr. 2023 And then there’s the not-so-small matter of inactive, which also often means unobserved. Davey Winder, Forbes, 30 Nov. 2023 In the latest models of cosmology, these unobserved phenomena make up 95 percent of the universe. Kate Larue, New York Times, 5 Nov. 2023 Instead, Mike got up early and struck out unobserved. TIME, 18 Oct. 2023 Infinitely many universes, unobserved? David Marchesephoto Illustration By Bráulio Amado, New York Times, 17 July 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unobserved.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of unobserved was in the 15th century

Dictionary Entries Near unobserved

Cite this Entry

“Unobserved.” Dictionary, Merriam-Webster, Accessed 18 Jun. 2024.

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