or look-up

[ look-uhp ]
/ ˈlʊkˌʌp /
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an act or instance of looking something up, as information in a reference book or an online database.
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of lookup

1945–50 for an earlier sense; noun use of verb phrase look up
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use lookup in a sentence

British Dictionary definitions for lookup

look up

verb (adverb)
(tr) to discover (something required to be known) by resorting to a work of reference, such as a dictionary
(intr) to increase, as in quality or valuethings are looking up
(intr foll by to) to have respect (for)I've always wanted a girlfriend I could look up to
(tr) to visit or make contact with (a person)I'll look you up when I'm in town
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with lookup

look up


Search for in a book or other source, as in I told her to look up the word in the dictionary. [Late 1600s]


Call on or visit, as in I'm going to look up my friend in Chicago. [Mid-1800s]


Become better, improve, as in Business is finally looking up. [c. 1800]


look up to. Admire, respect, as in The students really looked up to Mr. Jones. [Early 1700s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.