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Synonyms

single file

American  

noun

  1. a line of persons or things arranged one behind the other; Indian file.


single file British  

noun

  1. a line of persons, animals, or things ranged one behind the other, either stationary or moving

"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

Etymology

Origin of single file

First recorded in 1660–70

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 the end, everything worked out. Everyone went down in a single file, everyone helping, and we managed to finish the trail, see the sunrise, and experience that adrenaline rush," Nobre told the paper.

From BBC • Apr. 20, 2026

They walked in single file, many of them barefoot, carrying flowers, handing out bracelets and picking up new followers along the way.

From Salon • Feb. 13, 2026

When the race began at 4, two hours before sunrise, we scurried off into the woods in tight single file.

From The Wall Street Journal • Oct. 30, 2025

When he finally looked up, he saw players lined up in a single file offering hugs and telling him, “We’re going to win this battle together.”

From Los Angeles Times • Apr. 27, 2025

They went in single file, running like hounds on a strong scent, and an eager light was in their eyes.

From "The Two Towers" by J. R. R. Tolkien

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