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

At immigration check-ins, new routines unfold Samba Diallo rode in the passenger seat, a red folder containing his immigration paperwork on his lap. — Claire Galofaro, Los Angeles Times, 17 Sep. 2026

On Monday, Escobar returned to the branch carrying a folder when bank staff asked him to meet with human resources and a bank investigator for an interview. — Ana Maria Soler, CBS News, 15 Sep. 2026

Unlike a read receipt, which only fires when a message is manually opened, a delivery receipt triggers automatically—even if the incoming text is filtered straight to a spam folder. — Justyn Newman, PC Magazine, 9 Sep. 2026

Investigators found a video in a hidden folder on Shelby’s phone, dated May 19, 2025, which was alleged to show Jeremy striking, choking and repeatedly punching his wife, as well as grabbing her by the throat and threatening to kill her, per KBSI. — Adam England, PEOPLE, 24 Aug. 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