411
American-
a telephone number for directory information.
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Informal. the 411, information or knowledge, usually about an event or activity and acquired by oral communication.
Here's the 411 on tomorrow night's party.
Planning for Spring Break in Cabo—what's the 411?"
Etymology
Origin of 411
First recorded in 1930–35 411 for def. 1, and in 1980–85 411 for def. 2
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.
Labour, by comparison, won 411 seats with 33.7% of the vote.
From Science Daily ● Aug. 2, 2026
You can’t entirely blame him: It was he, after all, who led Labour to its historic July 2024 victory over Sunak and the Tories, winning 411 of the 650 seats in the House of Commons.
From Salon ● Jun. 24, 2026
Virginia and Texas lead the country in data-center construction, with 579 and 411 server farms, respectively, according to the industry website Data Center Map.
From The Wall Street Journal ● Apr. 7, 2026
Some 411 tankers are currently stuck in the Persian Gulf, according to global trade data analytics firm Kpler.
From MarketWatch ● Mar. 6, 2026
Grandma has gotten all in Kayla’s business while Trey was upstairs and gives us the 411.
From "On the Come Up" by Angie Thomas
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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.