ran·​dom·​ize ˈran-də-ˌmīz How to pronounce randomize (audio)
randomized; randomizing

transitive verb

: to select, assign, or arrange in a random way
randomization noun
randomizer noun

Examples of randomize in a Sentence

The numbers have been randomized. A randomized study of patients treated with the drug showed it to be effective.
Recent Examples on the Web Each visit is anonymous, but users can elect to share their questions with WHO in a survey to improve the experience, though Guerra said any data collected is randomized and not tied to an IP address or person to protect users. Jessica Nix, Fortune Europe, 19 Apr. 2024 What’s also notable is that the adversaries have their own abilities that are randomized in each playthrough. Gieson Cacho, The Mercury News, 21 Mar. 2024 Results, the paper acknowledges, should be taken as correlations rather than proven cause and effect because the trial was not randomized. Paul Sisson, San Diego Union-Tribune, 28 Jan. 2024 The prefix that defines the subdomain is randomized and is never used more than once or twice in such an attack. Dan Goodin, Ars Technica, 19 July 2023 To determine which treatments work best, Jay and her team reviewed more than 100 studies, randomized control trials (RCTs), and other articles.1 Given the toll obesity takes on the U.S., advanced research on the condition is important. Maggie O'Neill, Health, 22 Dec. 2023 The study followed nearly 26,000 generally healthy adults, randomized to receive either 2,000 international units (IU) of vitamin D or a placebo, for an average of 5.3 years. Christie Aschwanden, Scientific American, 19 Dec. 2023 In a trial published in 2019 in the New England Journal of Medicine, Pittas and his colleagues randomized more than 2,400 people at risk for diabetes to take either 4,000 IU of vitamin D or a placebo daily. Christie Aschwanden, Scientific American, 19 Dec. 2023 Previous research has shown people with long Covid have less diverse microbiomes, so the study randomized half of participants with at least one long Covid symptom to take an oral combination of prebiotics and probiotics daily for six months. Elizabeth Cooney, STAT, 8 Dec. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'randomize.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of randomize was in 1926

Dictionary Entries Near randomize

Cite this Entry

“Randomize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/randomize. Accessed 18 May. 2024.

Kids Definition


ran·​dom·​ize ˈran-də-ˌmīz How to pronounce randomize (audio)
randomized; randomizing
: to make random
shuffling randomizes playing cards

More from Merriam-Webster on randomize

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