folder

noun

fold·​er ˈfōl-dər 

1

: one that folds

2

: a folded printed circular

3

a

: a folded cover or large envelope for holding or filing loose papers

b

: an organizational element of a computer operating system used to group files or other folders together

Synonyms of folder

• booklet
• brochure
• leaflet
• flyer
• pamphlet

Examples of folder in a Sentence

a folder offering tips for heating one's home efficiently

Recent Examples on the Web

Academy staff were blown away by his preparation, including endless folders on his laptop containing tactical research on teams across the world. —Sam Lee, New York Times, 23 May 2026

And the design is sitting in a folder somewhere, describing a job that no longer exists. —Vibhas Ratanjee, Forbes.com, 19 May 2026

Unlike a typical lateral file cabinet that pulls out, this one tips out into easy-to-reach slots for all those folders (or perhaps a collection of stationery papers). —Yelena Moroz Alpert, Architectural Digest, 18 May 2026

It’s designed to be simple, too — just drag and drop files into your browser, organize them into folders, and access them from anywhere. —Stackcommerce Team, PC Magazine, 17 May 2026

Word History

First Known Use

1552, in the meaning defined at sense 1

Phrases Containing folder

• sub-folder

Rhymes for folder

• bolder
• bowlder
• colder
• golder
• holder
• molder
• moulder
• older
• polder
• shoulder
• beholder
• bondholder

Kids Definition

folder

noun

fold·​er ˈfōl-dər 

1

: one that folds

2

: a printed circular of folded sheets

3

a

: a folded cover or large envelope for holding loose papers

b

: an element of a computer operating system used to group and organize files