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

Its memory directory contained 413 files across 225 folders, totaling nearly 978,000 characters. — Aamir Khollam, Interesting Engineering, 6 Nov. 2026

At the Linda Gross Theatre, sixteen singers stand on risers, holding green choral folders. — Emily Nussbaum, New Yorker, 5 Nov. 2026

Tap the Files tile to create and share folders, assign access permissions, and upload or download files. — John R. Delaney, PC Magazine, 3 Nov. 2026

Paide prefers to use simple file folders to organize her papers, and likes labeling those folders with sticky notes written with permanent markers. — Andee Tagle, NPR, 29 Oct. 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