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

Keep scrolling for more

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 The Medical Board of California’s license lookup includes information on the status of the physician’s license and whether there has been any administrative or disciplinary action by the board or other state or federal agencies. Kim Christensen, Los Angeles Times, 14 July 2021 Adding monitors, order kiosks and other tools can help replace human assistance and provide helpful information, orders, returns, inventory lookup and more. Edward Segal, Forbes, 19 Apr. 2021 This will yield simple lookup tables for monthly loan payments. Mark Kantrowitz, Forbes, 9 Apr. 2021 Even when DoH or DoT is in place, the encryption does nothing to prevent the DNS provider from seeing not only the lookup requests but also the IP address of the computer making them. Dan Goodin, Ars Technica, 8 Dec. 2020 Whereas before, lookups and responses traveled only over port 53, the new system randomized the port-number lookup requests used. Dan Goodin, Ars Technica, 12 Nov. 2020 Also currently, a receipt or item lookup using a credit card is required in most instances. Kelly Tyko, USA TODAY, 22 Sep. 2020 Also currently, a receipt or item lookup using a credit card is required in most instances. Kelly Tyko, USA TODAY, 22 Sep. 2020 State officials have a polling place lookup website and an online database for all Illinois election boards, which voters can use to check their polling places. Kelli Smith, chicagotribune.com, 7 Oct. 2020 Recent Examples on the Web: Verb Your boys look up to you and love you unconditionally. Benjamin Vanhoose, PEOPLE.com, 9 May 2021 As one of the greatest quarterbacks in the history of the NFL, American men look up to you as a role model both as an athlete and as a man of fine style. Joseph Deacetis, Forbes, 5 May 2021 The younger players on our team look up to Ennis and have learned valuable lessons from his example. oregonlive, 15 Apr. 2021 So many people look up to us for beauty and fashion inspiration. Akili King, Vogue, 9 Mar. 2021 The journalists my agency oversees look up to the most prestigious members of mainstream media: the Washington Post, New York Times , NPR, CNN. Michael Pack, WSJ, 15 Jan. 2021 Many people look up to Supreme Court Justice Ruth Bader Ginsburg as a role model. Sameer Rao, baltimoresun.com, 20 Sep. 2020 This feature will allow owners of newer iPhones to look up text within photos or screenshots and highlight them for more information. Brett Molina, USA TODAY, 13 July 2021 Just having older kids in the same building can be comforting to younger students, Studt-Keith says, to have peers to look up to. Madeline Mitchell, The Enquirer, 4 June 2021

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.

See More

First Known Use of lookup


1948, in the meaning defined above


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

Keep scrolling for more

Learn More About lookup

Time Traveler for lookup

Time Traveler

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

See more words from the same century

Dictionary Entries Near lookup

look unkindly on/upon


look up

See More Nearby Entries 

Statistics for lookup

Last Updated

17 Jul 2021

Cite this Entry

“Lookup.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lookup. Accessed 3 Aug. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!