accordion

1 of 2

noun

ac·​cor·​di·​on ə-ˈkȯr-dē-ən How to pronounce accordion (audio)
: a portable keyboard wind instrument in which the wind is forced past free reeds by means of a hand-operated bellows
accordionist noun

Illustration of accordion

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
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Noun
But everything is silky and precise to the touch, and the sound astonishingly full and sweet in the small room, with the strain of an accordion coming in through the open window. Tim Parks, New Yorker, 11 Apr. 2026 The musicians offered an intimate, bluesy rendition of the song, complete with an accordion, while Plant gave the vocals a theatrical flair. Emily Zemler, Rolling Stone, 9 Apr. 2026 While my organization stops there, Kardashian keeps the rest of her clothing on hangers and folds them accordion-style. Annita Katee, Travel + Leisure, 9 Apr. 2026 Moleskine and Issey Miyake’s collaboration brings the late designer’s love of pleats to the beloved writing staple, with the pages unfolding accordion-like between the familiar black cover of the brand’s standard notebooks. Nicole Hoey, Robb Report, 31 Mar. 2026 See All Example Sentences for accordion

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

Time Traveler
The first known use of accordion was in 1830

Browse Nearby Words

Cite this Entry

“Accordion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/accordion. Accessed 12 Apr. 2026.

Kids Definition

accordion

1 of 2 noun
ac·​cor·​di·​on ə-ˈkȯrd-ē-ən How to pronounce accordion (audio)
: a musical instrument that has a keyboard and a bellows and that produces tones when air is forced past metal reeds
accordionist noun

accordion

2 of 2 adjective
: creased to fold like an accordion
accordion doors

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