look·​up | \ ˈlu̇k-ˌəp How to pronounce lookup (audio) \
variants: or look-up

Definition of lookup

 (Entry 1 of 2)

: an act, process, or instance of looking something up (as in a reference work or listing) dictionary lookups a price look-up

look up

looked up; looking up; looks up

Definition of look up (Entry 2 of 2)

intransitive verb

1 : to cheer up look up—things are not all bad
2 : to improve in prospects or conditions business is looking up

transitive verb

1 : to search for in or as if in a reference work look up an address
2 : to seek out especially for a brief visit look me up when you're here

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Examples of lookup in a Sentence


be sure to look me up if you're ever in town by the next morning, the skies had begun to clear and we were looking up

Recent Examples on the Web: Noun

Do not dive deep into an investigation; a casual lookup should have its limits. Christen A. Johnson, chicagotribune.com, "Go ahead and look up your kid’s teacher on social media — just tread carefully," 23 Aug. 2019 The Russian attack had focused on the public portions of Connecticut’s online system, such as its website, voter lookup system and online voter registration system. Christopher Keating, courant.com, "U.S. Senate report confirms Russian hackers targeted Connecticut," 26 July 2019 The Call Filter app can also be upgraded for $2.99 a month per line and adds a custom block list and reverse number lookup. Madeline Purdue, USA TODAY, "How T-Mobile, AT&T, Verizon and Sprint fight robocalls on their network," 8 July 2019 Soranet’s servers bounced around over the years, including to the US, according to domain lookups and Korean officials. Shawn Musgrave, The Verge, "How ICE used an obscure rule to pursue the owners of a Korean porn site," 27 Sep. 2018 Still, giving a single company power over your domain registration, certificates, authoritative DNS services, DNS lookups, and CDN delivery might just be a tad disconcerting to some. Sean Gallagher, Ars Technica, "Cloudflare gets into registrar business with wholesale domains and free privacy," 28 Sep. 2018 Hackers can retrieve the information by running a simple script that uses WiFi networks to determine location with Google’s geolocation lookup services. Mckenna Moore, Fortune, "How to Keep Google Home and Chromecast From Giving Hackers Your Location," 20 June 2018 How to check which vehicles have Takata air bags The NHTSA has an online lookup tool where drivers can enter a Vehicle Identification Number (VIN) to determine if any safety or recall issues affect your vehicle. CBS News, "Takata air bags recall expands to 3.3 million vehicles," 7 Jan. 2018 The online dictionary explains its word of the year sheds light on topics that spark the nation's interest as measured by a significant increase in lookups compared to past years. Editors, USA TODAY, "Southern spotlight: The U.S. Senate seat with national implications," 12 Dec. 2017

Recent Examples on the Web: Verb

Consumers can quickly look up a rating before deciding whether to see a new film. Anousha Sakoui, chicagotribune.com, "More women get to throw tomatoes as movie-critic website diversifies," 31 Aug. 2019 Consumers can quickly look up a rating before deciding whether to see a new film. Anousha Sakoui / Bloomberg, Time, "Movie-Critic Website Rotten Tomatoes Diversifies, Adding More Women Reviewers," 28 Aug. 2019 Wanda, sleepy in her seat, looked up and saw a man standing in the aisle. USA Today, "Were Wanda Tucker’s ancestors America’s first slaves? A difficult search for answers in far-away Angola," 22 Aug. 2019 Consumers can look up licensed dealers at the California Bureau of Cannabis Control’s public education campaign website, bcc.ca.gov/consumers/weedwise. Erin Allday, SFChronicle.com, "Unlicensed marijuana vaping products eyed in 20 lung disease cases in Calif.," 21 Aug. 2019 Things will look up even more in the first half of November, when helpful people and benevolent influences may give both your spirits and your wallet a boost. Tribune Content Agency, oregonlive.com, "Horoscope for Aug. 19, 2019: Sagittarius, place trust in those who earn it; Aquarius, offer support, good judgement," 19 Aug. 2019 In a 2014 study by University of California psychologists, students looked up at a grove of 200-feet-tall Tasmanian blue gum eucalyptus trees on Berkeley’s campus for one minute. Ailsa Ross, Longreads, "Mountains, Transcending," 9 Aug. 2019 Palantir, in turn, has numerous contracts with ICE and serves as its technological backbone, allowing the agency to scan people’s biometrics, look up their family histories, and power its raids. Rani Molla, Vox, "Microsoft, Dell, Concur: Here are all the tech companies doing business with ICE and how much they’re getting paid," 30 July 2019 Either via browser or mobile app, dog and cat owners can look up local pet sitters and dog walkers within seconds, with near-immediate availability in some cases. Rachel King, Fortune, "Tips and Treats for Stress-Free Travel With Pets," 27 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lookup.' 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 lookup


1948, in the meaning defined above


14th century, in the meaning defined at intransitive sense 1

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Statistics for lookup

Last Updated

5 Sep 2019

Look-up Popularity

Time Traveler for lookup

The first known use of lookup was in the 14th century

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More from Merriam-Webster on lookup

Rhyming Dictionary: Words that rhyme with lookup

Comments on lookup

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recurring in steady succession

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