random number
Americannoun
Etymology
Origin of random number
First recorded in 1925–30
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He made up a random number and sent off a message saying "hello", to which his future wife Kirsty wrote back "hi".
From BBC • Jan. 26, 2025
The “drivers” were presented witha random number and had to count aloud backward by either ones or threes.
From Scientific American • Jul. 28, 2023
Participants were asked what percentage of African countries belonged to the United Nations, and their answers varied depending on a random number they were given before being asked the question.
From New York Times • Feb. 26, 2023
Use a random number generator to select 10 data values randomly.
From Textbooks • Mar. 27, 2020
“I double dare you to pick up the phone and dial a random number and have a conversation with whoever answers, like you know them.”
From "Betty Before X" by Ilyasah Shabazz and Renée Watson
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.