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


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 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 Kim baffled many with his word choice (translated from Korean to English), prompting head-scratching and mass dictionary lookups. Dartunorro Clark, NBC News, "A ‘Dotard’ Wouldn’t Know What it Means. Do You?," 22 Sep. 2017

Recent Examples on the Web: Verb

Then, look up the prices of each machine at multiple retailers, and continue checking periodically. Andra Chantim, Good Housekeeping, "This Is the Best Time to Buy Appliances, According to Experts," 19 June 2019 Endler was ready, then, when — midway through the second half of Chile’s Women’s World Cup match on Sunday — Mallory Pugh looked up from her post on the right wing. New York Times, "Chile Goalkeeper Equal to the Task, if Not to the Team," 16 June 2019 People are drawn to her, look up to her, trust her and respect her. Bob Narang, chicagotribune.com, "Softball notes: Division I recruits help Barrington extend regional success," 9 June 2019 But the kids look up to Shultz, 41, for all the reasons that have nothing to do with size or sports, said Cory Rainbolt, Eastern's head volleyball coach and assistant athletic director. Dana Hunsinger Benbow, Indianapolis Star, "Eastern Hancock coach battling cancer, 'fastest-growing human tumor' that exists," 5 June 2019 Little boys by nature, look up to and idolize their old man. Karen Mizoguchi, PEOPLE.com, "Lauren Hashian Shares Sweet Tribute for Boyfriend Dwayne Johnson on Father's Day: 'Our Protector'," 18 June 2018 The whole world is looking up to the United States, and the United States is respected again. BostonGlobe.com, "Read Trump’s full remarks on immigration, ‘Space Force’," 18 June 2018 During the first two months of Orioles Rebuild 1.0, the youthful club won a few games, lost a lot more and generally was prepared to spend the season looking up at the rest of the American League. Peter Schmuck, baltimoresun.com, "Schmuck: Rebuilding Orioles knew they were going to lose a lot of games, but not like this," 20 June 2019 Montgomery put his hands on his face, fell to the ground and hit the surface with his hands as the senior looked up at the scoreboard in amazement. Joseph Duarte, Houston Chronicle, "UH's Kahmari Montgomery wins NCAA outdoor title in 400 as Cougars finish 3rd," 7 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.

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

Statistics for lookup

Last Updated

11 Jul 2019

Look-up Popularity

Time Traveler for lookup

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

See more words from the same century

More from Merriam-Webster on lookup

Rhyming Dictionary: Words that rhyme with lookup

Comments on lookup

What made you want to look up lookup? Please tell us where you read or heard it (including the quote, if possible).


to complain fretfully

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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