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

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

However, moments after the apology, Navarro used yellow file folders to conceal the silver handcuffs that corrections officers placed on her wrists. —Grethel Aguila, Miami Herald, 14 Apr. 2026

The Vial of Life information is kept in a secure plastic folder and placed on your refrigerator door (or another area of your choosing) where responders will know to look for it. —John R. Delaney, PC Magazine, 6 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