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Showing results for run across. Search instead for run+across.
Synonyms

run across

British  

verb

  1. (intr, preposition) to meet unexpectedly; encounter by chance

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
run across Idioms  

  1. see come across, def. 1.

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.

AI is also fundamentally changing how some advertisers create the ads that run across Meta-owned sites.

From The Wall Street Journal • Apr. 13, 2026

If you run across a professional athlete, pose for a photo standing right next to him, beta-smiling in admiration, and post it on social media.

From The Wall Street Journal • Apr. 5, 2026

Following an executive order from President Trump last week, Sable Offshore Corp. announced Monday that it resumed oil flow through pipelines that run across Santa Barbara, San Luis Obispo and Kern counties.

From Los Angeles Times • Mar. 16, 2026

Cause and effect run across many scales at once, from ion channels to dendrites to circuits to whole-brain dynamics, and these levels do not behave like independent modules stacked in layers.

From Science Daily • Dec. 24, 2025

“I’ll run across the street. Pick one up.”

From "Clayton Byrd Goes Underground" by Rita Williams-Garcia

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.