behind in
Idioms-
Also, behind on . Late with; not progressing quickly enough with. For example, The builders are behind on this project , or I can't take time out or I'll be too far behind in my work . The same idea is also expressed as behind time , where time means a schedule or appointed time, as in The bus should have been here; it's behind time . [Early 1300s] Also see fall behind .
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In arrears, owing more than one should. For example, Jane and Bob are behind in their payments, so the interest will mount up . [Late 1300s]
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.
No one wants to be left behind in the world of AI.
From Barron's • Apr. 24, 2026
On the day of the attack, Shubham and Aishanya went to Baisaran valley, a gorgeous meadow high above Pahalgam, while the rest of the group stayed behind in the main town.
From BBC • Apr. 21, 2026
Four of the world’s largest companies by revenue and market capitalization suddenly feared that falling behind in AI meant early obsolescence.
From The Wall Street Journal • Apr. 21, 2026
For now, after back-to-back World Series championships, the Dodgers have left even the Lakers far behind in popularity, and every other team in town even further behind.
From Los Angeles Times • Apr. 15, 2026
“I cannot yet. Remember, I left my dress behind in Colton.”
From "Lupita Mañana" by Patricia Beatty
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.
