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

What little remains of Sanders’ work has been handed down amongst his friends via an inch thick manila folder filled with yellowing and crumpled papers, replete with handwritten notes, occasional diagrams by Sanders, and more than a few mouse droppings littering the pages. —Kevin Foster, Fort Worth Star-Telegram, 23 Feb. 2026

In addition, Maison Margiela plans to share all its folders related to the events via Dropbox, letting anyone in the world sift through detailed digital files, from the call-time for models at the Shanghai fashion show to the documentation about what’s being shipped to China for the various events. —Miles Socha, Footwear News, 10 Feb. 2026

In the Thomas Fisher Rare Book Library in Toronto, Canada, Margaret Atwood, award-winning dystopian fiction author, fished out an article from a research folder. —Will Croxton, CBS News, 9 Feb. 2026

Smart Planning Platforms Are Replacing Wedding Binders The time has passed when people used full folders and handwritten to-do lists. —Craig Lebrau, USA Today, 8 Feb. 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