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

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

Ever been annoyed after Windows setup that your user folder has a weird name? —Jon Martindale, PC Magazine, 28 May 2026

That knowledge is usually scattered across old slide decks, folders, Slack threads, emails and in the memories of people who have been around long enough to know all of the details. —Shreyas Nair, Forbes.com, 27 May 2026

Academy staff were blown away by his preparation, including endless folders on his laptop containing tactical research on teams across the world. —Sam Lee, New York Times, 23 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