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

Additionally, as part of the enhancements which come to other brands in the Creative Cloud suite there are new organizational capabilities, which can label folders usefully and gather relevant items into them, streamlining a tedious clean-up process. —David Phelan, Forbes.com, 19 June 2026

Each time an infected device rebooted, its UEFI checked whether a malicious file was present in the Windows startup folder and, if not, installed it. —Dan Goodin, ArsTechnica, 17 June 2026

Mangione, who sat in between his lawyers and wore a dark blue suit, was quiet throughout the brief hearing and held a folder up in front of his face for most of the time photographers were allowed to take pictures. —Lorena O’Neil, Rolling Stone, 17 June 2026

There's just something about folders. —Matt Reigle Outkick, FOXNews.com, 16 June 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