un·​ob·​served | \ ˌən-əb-ˈzərvd How to pronounce unobserved (audio) \

Definition of unobserved

: 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

These drones recorded hitherto unobserved behaviour on the part of the animals. The Economist, "Leopard seals share their suppers," 17 Aug. 2019 Gentle waterfalls feed clear natural pools, all but unobserved. Jon Marcus,, "It seems a natural, but many visitors to destination cities miss the wilds right nearby," 13 Aug. 2019 Both like to attend early-morning spin classes at Flywheel, a nearby studio, where the room goes dark when the class starts - the better to pedal unobserved. Paul Schwartzman And Josh Dawsey,, "'It's burning people out': Trump aides endure public fury toward president's policies around D.C.," 9 July 2018 Both like to attend early-morning spin classes at Flywheel, a nearby studio, where the room goes dark when the class starts - the better to pedal unobserved. Author: Paul Schwartzman, Josh Dawsey, Anchorage Daily News, "'Viciousness': Trump aides endure public fury toward president's policies," 9 July 2018 Normal things that went unobserved by the rest of our rowdy crew of five would be a source of angst for him. Christine M. Flowers,, "Kate Spade's tragic suicide should be a reminder to listen to those you love | Christine Flowers," 7 June 2018 Covelli said the current design of, and procedures at, the jail ensure that no areas, including shower facilities, are unobserved. Jim Newton, Lake County News-Sun, "Depke Juvenile Justice Complex passes voluntary Prison Rape Elimination Act audit," 18 Feb. 2018 Corral gathered dates of personal significance from 243 Americans (the Republic’s age this year) and burned them into the wall, creating an unofficial and unobserved catalog of American history. Globe Staff,, "Getting real in a stirring show at Mass MoCA," 13 June 2019 The result was that the neo-Nazi terrorists went unobserved, unsuspected and relatively free to continue their killing spree. New York Times, "Neo-Nazi Terrorist Jailed for Life in Case That Shamed Germany’s Spies," 11 July 2018

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

See More

First Known Use of unobserved

15th century, in the meaning defined above

Keep scrolling for more

Learn More about unobserved

Statistics for unobserved

Last Updated

24 Aug 2019

Look-up Popularity

Time Traveler for unobserved

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

See more words from the same century

Keep scrolling for more

More Definitions for unobserved



English Language Learners Definition of unobserved

: not seen or noticed


un·​ob·​served | \ ˌən-əb-ˈzərvd\

Kids Definition of unobserved

: not noticed She left the room unobserved.

Comments on unobserved

What made you want to look up unobserved? Please tell us where you read or heard it (including the quote, if possible).


authorized for issue (as a bond)

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!