lookup

1 of 2

noun

look·​up ˈlu̇k-ˌəp How to pronounce lookup (audio)
variants or look-up
: an act, process, or instance of looking something up (as in a reference work or listing)
dictionary lookups
a price look-up

look up

2 of 2

verb

looked up; looking up; looks up

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

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
His arrest was confirmed on the county’s inmate lookup system. Cody Copeland, Fort Worth Star-Telegram, 14 Jan. 2025 Collin County Commissioners Court Dallas County Commissioners Court Denton County Commissioners Court Tarrant County Commissioners Court State representation: Find your U.S. congressperson, state representative, state senator and State Board of Education representative using this Texas lookup tool. Tasha Tsiaperas, Axios, 5 Dec. 2024
Verb
Mikaela Shiffrin crossed the finish line, looked up at the board and fell to the snow. Zack Pierce, The Athletic, 23 Feb. 2025 Norah is sitting on a chair while her sister looks up to her and dances to the song. Tom Rogers, Newsweek, 22 Feb. 2025 See All Example Sentences for lookup

Word History

First Known Use

Noun

1948, in the meaning defined above

Verb

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

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

Browse Nearby Words

Cite this Entry

“Lookup.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lookup. Accessed 6 Mar. 2025.

Kids Definition

lookup

1 of 2 noun
look·​up ˈlu̇k-ˌəp How to pronounce lookup (audio)
: the process or an instance of looking something up
especially : the process of matching by computer the words of a text with material stored in memory

look up

2 of 2 verb
: to seek for or out
look up a word in the dictionary
look up a friend
Last Updated: - Updated example sentences
Love words? Need even more definitions?

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