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

Beginning January 21, an internal bug labeled CW1226324 caused Copilot to read and summarize emails stored in Sent Items and Drafts folders. —Kurt Knutsson, FOXNews.com, 2 Mar. 2026

The folder contained small images, some only 10 by 5 centimeters. —Michele Laufik, Martha Stewart, 27 Feb. 2026

The company has developed its own internal AI agent, called Goose, that can be powered by a range of different AI models and plug-in directly to a computer to draw from its files and folders as well as access cloud storage platforms and online databases, Wired reported. —Marco Quiroz-Gutierrez, Fortune, 25 Feb. 2026

Use filing cabinets or folders for paperwork, and try inserts and organizers to maintain structure in your kitchen drawers, desks and dressers. —Claire Peltier, ABC News, 24 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