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 surface is strikingly similar to paper, but there’s no need for actual paper, folder or tags. —Bestreviews, Chicago Tribune, 30 Apr. 2026

Find files without digging through folders One of the most practical uses is asking Claude to locate files on the computer, such as screenshots, PDFs, notes, decks, receipts, spreadsheets, or templates. —Catherina Gioino, Fortune, 28 Apr. 2026

Recipe creator Leah Eskin found this recipe, handwritten in French, while sorting through decades' worth of inspiration saved in a folder. —Hannah Agran, Midwest Living, 22 Apr. 2026

Since consumers tend to mark these emails as spam, other no-reply emails may automatically be directed to the spam folder – including essential communication like booking confirmations. —Christopher Elliott, USA Today, 17 Apr. 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