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

Among the items that did make the cut was a folder of photos of the high school, then-Principal Richard Felicetti, students and the staff member who played the guitar and sang the daily announcements. —Gloria Casas, Chicago Tribune, 6 June 2026

Lightroom doesn’t show your hard disk folders in its left panel. —Michael Muchmore, PC Magazine, 2 June 2026

The prosecutor claimed in court that Brooten accessed his Facebook account, read his conversations with other women, saved copies of the messages in a folder and also accessed Facebook's blocking settings, the newspaper reported. —Adam England, PEOPLE, 1 June 2026

The political risk was underlined last April when she was photographed at the White House using a folder to shield her face from photographers. —Naomi Lim, The Washington Examiner, 31 May 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