randomize

verb

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
ˌran-də-mə-ˈzā-shən How to pronounce randomize (audio)
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
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.
This can happen for a few reasons, generally related to the ethical implications or feasibility of randomizing people to certain exposures. — Lucy McGowan, The Conversation, 4 Aug. 2026 To keep numbers more private, the agency began randomizing numbers. — Kelly Phillips Erb, Forbes.com, 1 Aug. 2026 The startup’s Phase 2 trial enrolled 343 patients who’d gotten tummy tuck surgery; they were randomized to receive a high or low dose of Latigo’s experimental pill, a placebo, or a combination of acetaminophen and the opioid hydrocodone. — Jonathan Wosen, STAT, 29 July 2026 The trial was randomized and double-blind, meaning neither researchers nor participants knew who received the treatment or the dummy pill. — Erica Sweeney, EverydayHealth.com, 24 July 2026 See All Example Sentences for randomize

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of randomize was in 1926

Rhymes for randomize

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Browse Nearby Words

randomization
randomize
randomized block
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Cite this Entry

“Randomize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/randomize. Accessed 8 Aug. 2026.

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Kids Definition

randomize

verb
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

Nglish: Translation of randomize for Spanish Speakers

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