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

Cesar Peinate, a 59-year-old Venezuelan man, left his appointment on Thursday carrying his immigration paperwork and red passport in a clear folder. — Vera Lucia Pappaterra, Miami Herald, 2 July 2026

Most agencies file this data away in client folders and move on. — Ming Zhu, Forbes.com, 1 July 2026

Note that EncryptPro can’t encrypt system folders, such as Documents and Pictures. — Neil J. Rubenking, PC Magazine, 1 July 2026

If tech slows you down, create simple folders or update your settings so your system supports your focus. — Tarot.com, Chicago Tribune, 30 June 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