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

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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

Holding umbrellas, a handful of them obscured the person holding the saw, while others circled the group, likely lookouts for intervening police. Sidney Fussell, The Atlantic, "Why Hong Kongers Are Toppling Lampposts," 30 Aug. 2019 People in Dayton, Ohio are on the lookout Sunday for celebrities and musicians ahead of Dave Chappelle's evening Gem City Shine benefit. Chris Mayhew, Cincinnati.com, "Dayton, Ohio on watch for celebrities and musicians expected to perform at Gem City Shine," 25 Aug. 2019 The case will remain open and the Coast Guard will be on the lookout on their normal patrols, said Vlaun. David Harris, orlandosentinel.com, "Coast Guard suspends search for firefighters who went missing while boating off Brevard County," 22 Aug. 2019 The active-shooting videos encourage us to be on the lookout at our jobs and schools for odd behaviors — actions and attitudes that indicate a colleague is on the path to violence. Courtland Milloy, Washington Post, "The latest shootings have us asking why, again, but there never seems to be an answer," 6 Aug. 2019 In Denver, Cushman & Wakefield broker Joey Trinkle is on the lookout for industrial space to accommodate Castle Rock company Farmbox Foods. Joe Rubino, The Denver Post, "Denver urban farming trend grows from a Sloan’s Lake condo tower to a Larimer Square parking garage," 4 Aug. 2019 But now, in the spot where the two once stood lookout, there are signs, balloons and flowers. The Washington Post, oregonlive.com, "Two mothers who fought gun violence for years were shot and killed in Chicago," 30 July 2019 Don’t get scammed: Major League Baseball officials and others warned fans on Tuesday to be on the lookout for counterfeit tickets and merchandise during All-Star Week in Cleveland, cleveland.com’s Marc Bona reports. Cliff Pinckard, cleveland.com, "Nate Gray was a key player in early FBI county corruption investigation: The Wake Up for Wednesday, July 3, 2019," 3 July 2019 At Grand Teton, be on the lookout for other wildlife from beavers to bison, then make your way to Jackson Lake to fish, sail, water ski, and windsurf. Kitson Jazynka, National Geographic, "Wolves are making a comeback. Here’s where to see them," 2 July 2019

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

3 Sep 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 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

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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).


one from the Upper Peninsula of Michigan

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