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

School supply donations can include pens, pencils, notebooks, loose-leaf paper, folders, dry-erase markers, chalk, highlighters and staples. — Aurora Beacon-News, Chicago Tribune, 10 July 2026

According to the couple’s daughter, like Pearl, Cotliar loved being a grandparent and kept folders with photos and accomplishments of his grandchildren. — Emily St. Martin, Los Angeles Times, 9 July 2026

On paper, the build aims to combine a more solid, confidence-inspiring lockup with the kind of smooth deployment EDC users expect from a modern premium folder. — New Atlas, 9 July 2026

The news organizations were able to verify the security hole and provided the agency, known by its Spanish initials, CRIM, with a detailed description of the issue that included the specific server and folders that contained the compromised data. — Luis Valentín, ProPublica, 9 July 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