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

At least 180 additional pages appear in files that are mostly but not entirely redacted, with cover pages, folder photos, or other unredacted material followed by pages fully obscured by black boxes. —Nandika Chatterjee, Time, 21 Dec. 2025

In some cases, a cover page, a photo of a folder or something else that isn't fully redacted precedes several pages that are entirely obscured by a black box. —Joe Walsh, CBS News, 19 Dec. 2025

The inventory of more than 70 items, listed by shelf, is in a folder with documents labeled evidence from the Palm Beach Police Department and the FBI. —Bart Jansen, USA Today, 19 Dec. 2025

The delays were to ensure a fair process for all since some companies reported emails were landing in thier junk folder, Kummer said. —Nick Sullivan, Charlotte Observer, 15 Dec. 2025

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