used to
Britishadjective
verb
-
Accustomed or habituated to. This expression is often put as , as in I'm not used to driving a manual-shift car , or She can't get used to calling him Dad . [Early 1500s]
-
Formerly. This sense is used with a following verb to indicate a past state, as in I used to ride my bicycle to the post office , or This used to be the best restaurant in town . [Late 1800s]
Usage
The most common negative form of used to is didn't used to (or didn't use to ), but in formal contexts used not to is preferred
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.
In 2025, during a clinical trial of CAR T-cell therapy, a technique currently used to treat some types of leukaemia and lymphoma, Maya developed a brain injury which Dellanie said left her "profoundly disabled".
From BBC ● Sep. 20, 2026
A mass spectrometer was used to measure the isotope ratios in that gas.
From Science Daily ● Sep. 20, 2026
“It used to be a fairly stiff competition for the worst chief of staff in history,” according to Chris Whipple, author of “The Gatekeepers,” the definitive book on the subject, “but Meadows absolutely owns it.”
From Salon ● Sep. 20, 2026
“It was challenging at first, but it’s just a matter of getting used to it,” said Vasquez, 25.
From The Wall Street Journal ● Sep. 19, 2026
“Your room used to be his room. Your bed was his bed,” my mom said, wandering in.
From "Legendary Frybread Drive-In" by Cynthia Leitich Smith
![]()
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.