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1. noun A line one person or thing in width. A single file of geese—such an unusual flight pattern for the bird—crossed overhead as we traversed the field. I arranged all the figurines in a single file.
2. adverb In such a line. The students lined up and walked single file into the auditorium. Cyclists are reminded to please ride single file on roads to avoid obstructing traffic.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
a line of things or people, one person or one thing wide. (See also in single file.) Please get into single file. You have to march single file.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
(in) single/Indian ˈfilein a line, one person after another: The whole class walked along behind the teacher in single file.When American Indians walked in a group, each person walked in the footsteps of the person in front so that they could not be counted by the enemy.
Farlex Partner Idioms Dictionary © Farlex 2017