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

Verb 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 Growing up, Ross had the perfect role model to look up to on the beauty front. Lauren Valenti, Vogue, "Tracee Ellis Ross on Her New Natural Curl Line, and How She Became Her Own Hair Expert," 6 Sep. 2019 Things don't go exactly as planned, but in the end, she and her brother — who finally looks up! — share the wonder of the night sky. Ciarra Chavarria, NBC News, "10 awesome books for young girls that encourage and celebrate STEM," 29 Aug. 2019 Growing up in Raleigh, North Carolina, Gagliardi had no role models to look up to except for tuning in to the Winter Games every four years. John Wawrow, chicagotribune.com, "Palos Heights’ Kendall Coyne Schofield and other top women’s hockey players announce 'Dream Gap Tour’," 28 Aug. 2019 Things are looking up for Discovery Channel's famous Brown family. Kelly O'sullivan, Country Living, "'Alaskan Bush People' Star Bear Brown Just Confirmed He Has a New Girlfriend," 11 Aug. 2019 But on the other, that made for a pretty homogeneous Hollywood of smooth hair and barrel waves, without tons of aspirational curls, kinks, and coils to look up to. Glamour, "17 Celebrities Who Gave Us Rare, Incredible Glimpses at Their Curls," 8 Aug. 2019 Meteors begin to ramp up several days before the peak, which means folks who want to wake up early to lie on a blanket or lawn chair to look up could see 25 to 50 meteoroids per hour. Meg Jones, Milwaukee Journal Sentinel, "Perseid meteor shower won't be great this year, but this weekend could be good for viewing shooting stars," 7 Aug. 2019 Some Democrats in turn suggested that Pelosi may be out of touch with voters who look up to and relate to figures like Ocasio-Cortez, who at 29 became the youngest woman ever elected to Congress. Laura King, latimes.com, "Trump to Democratic congresswomen: ‘Go back’ to where they came from. They’re Americans.," 14 July 2019 In short, an ancient or medieval person who looked up at the night sky would have beheld an orderly and logical universe that bore the signature of an intelligent creator. Adam Kirsch, WSJ, "Our Quest for Meaning in the Heavens," 28 June 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

Time Traveler for lookup

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

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Rhyming Dictionary: Words that rhyme with lookup

Comments on lookup

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a calculated move

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