a cappella

adverb or adjective

a cap·​pel·​la ˌä-kə-ˈpe-lə How to pronounce a cappella (audio)
variants or less commonly a capella
: without instrumental accompaniment
The choir sang the chants a cappella.

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A Cappella Has Italian Roots

A cappella arrived in English in the 18th century via the Italian phrase a cappella, meaning "in chapel or choir style." (Medieval Latin capella, meaning "chapel," is the source of English chapel.) The a cappella style reached preeminence in the late 16th century in the music that composer Giovanni Pierluigi da Palestrina wrote for the Sistine Chapel of the Vatican. Because no independent instrumental parts were written down, scholars once thought that the choir sang unaccompanied, but current evidence makes clear that an organ or other instruments doubled some or several of the vocal parts. Regardless, today a cappella describes a purely vocal performance.

Examples of a cappella in a Sentence

Recent Examples on the Web
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Or when Reggie purposefully annoys Arthur by having his son, Carmelo (Jalyn Hall), practice with his a cappella group in Arthur’s editing suite, a move that demonstrates the increasingly teasing affection between Arthur and Reggie. Roxana Hadadi, Vulture, 14 Apr. 2026 As one of many grand gestures of his love, Hal reunites with his a cappella group, The Gentlemen Callers, to serenade Lois with Bruno Mars’ ‘Locked Out of Heaven’ in the aisles of the Lucky Aide. Glenn Garner, Deadline, 9 Apr. 2026 And on nights when the power went out, Cubans gathered in the street to play dominoes or sing classic songs a cappella. Natalia Favre, Los Angeles Times, 4 Apr. 2026 Performances of the song by school a cappella groups have been met with strongly positive reactions and standing ovations. Caché McClay, USA Today, 27 Mar. 2026 See All Example Sentences for a cappella

Word History

Etymology

borrowed from Italian a cappella "in chapel or choir style"

First Known Use

1785, in the meaning defined above

Time Traveler
The first known use of a cappella was in 1785

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Cite this Entry

“A cappella.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/a%20cappella. Accessed 17 Apr. 2026.

Kids Definition

a cappella

adverb or adjective
a cap·​pel·​la
variants also a capella
: without accompanying instrumental music
sing a cappella
Etymology

from Italian a cappella "in chapel style"

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