day one
Americannoun
Etymology
Origin of day one
First recorded in 1975–80
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.
“From day one Blake Lively’s mission was clear: expose and hold accountable those who weaponize smear campaigns and retaliatory lawsuits to intimidate and silence survivors,” the statement said.
From Los Angeles Times • May 7, 2026
"From day one, tariffs are reduced and new market opportunities are opened."
From Barron's • May 1, 2026
You have two hills to climb, but you are still relatively young so it’s doable, one day, one paycheck at a time.
From MarketWatch • Apr. 29, 2026
One day, one moment, elation and devastation revisited when the pair met at United's Carrington training ground - a place both know so well.
From BBC • Apr. 24, 2026
Only problem was, from day one, they weren’t happy.
From "Thirteen Reasons Why" by Jay Asher
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.
