look·​out | \ ˈlu̇k-ˌau̇t \

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


Definition of look out (Entry 2 of 2)

intransitive verb

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

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Synonyms for lookout

Synonyms: Noun

observatory, outlook, overlook

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Examples of lookout in a Sentence


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

Be on the lookout for special programs that the school may have for transfer students as well as scholarships set aside for transfers. Tamara Fuentes, Seventeen, "How To Transfer Colleges When You Think You Want To Switch Schools," 27 Dec. 2018 The shaking often alerts people and warning systems to be on the lookout for the movement of water towards or away from the coast. Mary Beth Griggs, The Verge, "Deadly Indonesian tsunami was not caused by an earthquake," 23 Dec. 2018 In fact, birds are on the lookout for flight secrets to make their lives easier. David Grossman, Popular Mechanics, "Vultures Use Social Networks to Share Crucial Flight Information," 8 Nov. 2018 Brought to the front desk and said, be on -- be on a lookout for this guy. Fox News, "Scaramucci on Trump's Supreme Court pick, WH staff rumors," 30 June 2018 Communist leaders have been especially fond of deploying local residents to keep a lookout on street corners. The Economist, "China wants eyes and ears on every street," 28 June 2018 Keep a lookout for animals enjoying their own brightly decorated Easter eggs. Amy Schwabe, Milwaukee Journal Sentinel, "3 places in Milwaukee to hunt for eggs you (and the Easter Bunny) didn't have to hide," 16 Mar. 2018 While the Rockies will draw your eye, be sure to keep a keen lookout for animals like grizzly bears, bighorn sheep, elk, and wolves alongside the road–especially in the morning and evening. Daniel Otis, Sunset, "Best Banff & Jasper Activities," 22 Jan. 2018 Police issued a lookout for the suspect, Richard Concepcion, 37, who was driving at white Toyota Tundra and was with hi 18-month-old son. Alexandro Luna, San Antonio Express-News, "Manhunt sparked by killing, child abduction ends after suspect found shot," 21 Jan. 2018

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.

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First Known Use of lookout


1662, in the meaning defined at sense 1


1752, in the meaning defined above

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Statistics for lookout

Last Updated

8 Jan 2019

Look-up Popularity

Time Traveler for lookout

The first known use of lookout was in 1662

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More Definitions for lookout



English Language Learners Definition of lookout

: a person who watches an area and warns others if there is danger

: a high place or structure from which you can see a wide area


look·​out | \ ˈlu̇k-ˌau̇t \

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

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More from Merriam-Webster on lookout

Rhyming Dictionary: Words that rhyme with lookout

Thesaurus: All synonyms and antonyms for lookout

Spanish Central: Translation of lookout

Nglish: Translation of lookout for Spanish Speakers

Comments on lookout

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


someone who never drinks alcohol

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