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

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 The online dictionary said the word of the year sheds light on topics that sparked the nation's interest and is chosen by measuring which words had a significant increase in lookups compared to years past. Mary Bowerman, USA TODAY, "Merriam-Webster names 'feminism' as its word of the year," 12 Dec. 2017

Recent Examples on the Web: Verb

Merle Haggard Take a cue from the country star and look up. Jennifer Aldrich, Country Living, "40 Best Thanksgiving Songs to Play on Turkey Day," 29 July 2019 According to the criminal complaint, Hicks was texting with his girlfriend and using the Zillow real estate app to look up information about a house. Mary Divine, Twin Cities, "At sentencing, apology from trucker who rear-ended car in Lake Elmo, killing driver," 19 July 2019 The GoodRx app can be used to get cost-saving coupons and look up price comparisons for local drugstores. Julie Washington, cleveland.com, "Here’s how to save on prescriptions with GoodRx, Blink Health Rx and ScriptSave WellRx services," 14 July 2019 On June 18, things seemed to be looking up for Boeing. Ephrat Livni, Quartz, "Boeing’s 737 Max woes just cost it a $5.9 billion order," 7 July 2019 The era of answering emails and texts and looking up recipes and posting to Instagram and liking friends’ Facebook posts on your phone while driving without getting a ticket is over in Florida. Brett Clarkson, sun-sentinel.com, "100 new laws take effect today, including no texting while driving," 1 July 2019 Already going through difficulties in their young lives, they were subjected to unimaginable horrors at the hand of someone they had been groomed to trust and look up to. Saja Hindi, The Denver Post, "Former group home director sentenced to prison for sexually assaulting teenage boys," 24 June 2019 Instead of daydreaming about flying off to a faraway beach, go ahead and actually look up plane tickets, hotel deals, or even a luxurious cruise. Selena Barrientos, Good Housekeeping, "40 Creative Things to Do When You're Bored to Pass the Time," 23 May 2019 More importantly, a super guy who the team looked up to as a mentor in many ways. Tod Leonard, sandiegouniontribune.com, "Tributes pour in for Phil Rodgers, including one from Greg Norman," 28 June 2018

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

8 Aug 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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a wrong name or inappropriate designation

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