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 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

Printing out the physical copies and putting them in a folder that's out and easily accessible on the kitchen counter has made all the difference. —Tessa Cooper, Southern Living, 3 Apr. 2026

The folder was part of a stash that Dexter tucked into a duffel bag, not as mementos but as leads. —Rosy Cordero, Deadline, 2 Apr. 2026

The undertaking was announced in a new project called Maison Margiela/folders, which makes all the imagery and research typically accessible only by press and employees, available to all. —Rachel Tashjian, CNN Money, 1 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