accordion

1 of 2

noun

ac·​cor·​di·​on ə-ˈkȯr-dē-ən 

: a portable keyboard wind instrument in which the wind is forced past free reeds by means of a hand-operated bellows

accordionist

ə-ˈkȯr-dē-ə-nist 

noun

Illustration of accordion

accordion

2 of 2

adjective

: folding or creased or hinged to fold like an accordion

an accordion pleat

an accordion door

Examples of accordion in a Sentence

Recent Examples on the Web

Noun

In particular, the accordion-style closet door in Jack and Janet's bedroom opened and shut rapidly on its own. —Jessica Sager, PEOPLE, 7 Sep. 2025

Trim trees and install storm shutters, accordion shutters and impact glass; seal outside wall openings. —Gabe Hauari, USA Today, 5 Sep. 2025

To facilitate such a mix, Alameddine constructs The True True Story of Raja the Gullible like an accordion, bracketing it with two short chapters set in 2023 and using the space between them to take his narrator back and forth in time. —Literary Hub, 4 Sep. 2025

The fabric of his jersey, which should suggest his movement and musculature, is instead accordion-crumpled like a piece of paper. —Sally Jenkins, The Atlantic, 30 Aug. 2025

Word History

Etymology

Noun

borrowed from German Accordion (now Akkordeon), from Accord (now Akkord) "chord" (borrowed from French accord "chord, harmony, accord entry 2") + -ion (as in Melodion, an earlier keyboard instrument, from Melodie melody + -on, probably the Greek neuter noun ending)

Adjective

derivative of accordion entry 1

First Known Use

Noun

1830, in the meaning defined above

Adjective

1852, in the meaning defined above

Phrases Containing accordion

• piano accordion

Rhymes for accordion

• edwardian
• gordian

Kids Definition

accordion

1 of 2 noun

ac·​cor·​di·​on ə-ˈkȯrd-ē-ən 

: a musical instrument that has a keyboard and a bellows and that produces tones when air is forced past metal reeds

accordionist

-ē-ə-nəst 

noun

accordion

2 of 2 adjective

: creased to fold like an accordion

accordion doors