look·​out | \ ˈlu̇k-ˌau̇t How to pronounce lookout (audio) \

Definition of lookout

 (Entry 1 of 2)

1 : one engaged in keeping watch : watchman
2 : an elevated place or structure affording a wide view for observation
3 : a careful looking or watching on the lookout
4 : view, outlook
5 : a matter of care or concern

look out

looked out; looking out; looks out

Definition of look out (Entry 2 of 2)

intransitive verb

: to take care or concern oneself used with for looking out for number one

Synonyms for lookout

Synonyms: Noun

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Examples of lookout in a Sentence

Noun The troops posted a lookout for the night. The mountain road had several lookouts where you could enjoy the view.
Recent Examples on the Web: Noun Last month, the Centers for Disease Control and Prevention asked doctors to be on the lookout for the seemingly rare, but increasingly reported phenomenon. Arielle Mitropoulos, ABC News, 29 June 2022 Upstairs is an attic that served as a barracks and a lookout. John Malathronas, CNN, 17 Jan. 2022 After a lookout bulletin was issued, Vestavia Hills police spotted the vehicle and tried to stop it. Carol Robinson | Crobinson@al.com, al, 12 Oct. 2021 By the end of the day, the lookout had been visited by several dozen birders and a flock of 60 chatty middle-schoolers. Melissa Groo, Smithsonian Magazine, 16 Mar. 2021 Wildlife biologists have been on the lookout for the bird and had equipment and a plan to catch it and move it to a wildlife sanctuary. Dana Hedgpeth, Washington Post, 15 June 2022 Keep on the lookout for special events like Super Monster Movie Fest. Domenica Bongiovanni, The Indianapolis Star, 15 June 2022 Drivers heading up the Pacific Coast should be on the lookout for the town of Mendocino, where a gallon now costs $9.60. Los Angeles Times, 11 June 2022 Be on the lookout for air purifiers that automatically assess the air quality in your space and adjust the speed of filtration accordingly. Will Briskin, Popular Mechanics, 10 June 2022 See More

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

First Known Use of lookout


1662, in the meaning defined at sense 1


1752, in the meaning defined above

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Time Traveler for lookout

Time Traveler

The first known use of lookout was in 1662

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Dictionary Entries Near lookout

look one's best


look out

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Statistics for lookout

Last Updated

3 Jul 2022

Cite this Entry

“Lookout.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lookout. Accessed 6 Jul. 2022.

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More Definitions for lookout


look·​out | \ ˈlu̇k-ˌau̇t How to pronounce lookout (audio) \

Kids Definition of lookout

1 : a careful watch for something expected or feared Be on the lookout for trouble.
2 : a high place from which a wide view is possible
3 : a person who keeps watch

More from Merriam-Webster on lookout

Nglish: Translation of lookout for Spanish Speakers


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