lookup

1 of 2

noun

look·​up ˈlu̇k-ˌəp 

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

Synonyms

Verb

• pursue
• seek
• search (for or out)

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

Provider availability: Use address lookup tools to see which ISPs serve your location. —Roxanne Downer, USA Today, 5 Aug. 2025

Read the full report for Urban Egg by searching for the restaurant on the Kansas inspection lookup. —Eleanor Nash, Kansas City Star, 29 July 2025

Verb

After dinner, on weekends, the prime activity is to take a chair by the river, grab a glass of wine or a cup of tea (and a cookie) and look up at the stars in this dark sky region, comparing impressions with other guests. —Laurie Werner, Forbes.com, 8 Aug. 2025

Jena had looked up at the old woman, through a haze of rank blood and bloated flies and plundering weakness, and had known she never would. —Literary Hub, 8 Aug. 2025

Word History

First Known Use

Noun

1948, in the meaning defined above

Verb

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

Kids Definition

lookup

1 of 2 noun

look·​up ˈlu̇k-ˌəp 

: 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