single file

noun

A line or queue one person wide.

“Single file traffic”

Meanings

nounsingle file (usually uncountable, plural single files)

plural single files

  1. uncountableusuallyA line or queue one person wide.

    They walked in a single file.

    1 more example

    The religious figures were walking in single file in a group of 34 along the roadside when the bronze Isuzu ploughed through them […]

    2026 July 2, Eliana Silver, “Eight Buddhist monks killed and dozens injured after boy, 11, runs them over in a truck”, in dailymail.com
adjectivesingle file (not comparable)
  1. not comparableOne person wide.

    Single file traffic

    1 more example

    They walked in a single file line.

adverbsingle file (not comparable)
  1. not comparableIn a line or queue one person wide.

    They walked single file.

Synonyms & antonyms

nouna line of persons or things ranged one behind the other

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Catalan en fila índia
  • en fila índialine or queue one person wide
Chinese Mandarin 魚貫而行 /鱼贯而行
  • 魚貫而行 /鱼贯而行 (yúguàn‘érxíng)line or queue one person wide
Esperanto anservice
  • anserviceline or queue one person wide
French file indienne, queue leu leu
  • file indienneTranslations
  • queue leu leuline or queue one person wide
  • file indienneline or queue one person wide
German Gänsemarsch
  • GänsemarschTranslations
Italian fila indiana, fila indiana
  • fila indianaTranslations
  • fila indianaline or queue one person wide
Māori haukaiwahine, haukaiwahine
  • haukaiwahineTranslations
  • haukaiwahineTranslations
  • haukaiwahineline or queue one person wide
Portuguese fila indiana, fila indiana
  • fila indianaTranslations
  • fila indianaline or queue one person wide
Romanian șir indian
  • șir indianTranslations
Russian друг за другом, гусько́м
  • друг за другом (drug za drúgom)line or queue one person wide
  • гусько́м (gusʹkóm)line or queue one person wide
Spanish fila india, fila india
  • fila indiaTranslations
  • fila indialine or queue one person wide
Turkish tekli sıra, tekli
  • tekli sıraTranslations
  • tekliTranslations
  • tek şeritliTranslations
  • tek sıra halindeline or queue one person wide
Cite this entry
APA

single file. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/single%20file

MLA

“single file.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/single%20file. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “single file,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/single%20file.

Source: single file on Wiktionary, CC BY-SA 4.0.