1
: any of several grasses (genus Poa) of which some have bluish-green culms
especially : kentucky bluegrass
2
[from the Blue Grass Boys, performing group, from Bluegrass state, nickname of Kentucky] : country music characterized by the use of unamplified stringed instruments (such as banjo, fiddle, guitar, and mandolin), by free improvisation, and by close usually high-pitched harmony

Examples of bluegrass in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In a city known for packed itineraries full of hikes, breweries, and bluegrass shows, Flora offers a different kind of experience, rooted in stillness and sensory pleasure. Jaha Nailah Avery, Travel + Leisure, 5 Aug. 2026 Another vital component of that sound was the fiddle, played by the bluegrass legend Stuart Duncan and five-time CMA Musician of the Year Jenee Fleenor. Stephen Deusner, SPIN, 3 Aug. 2026 The 23rd annual festival features nationally and regionally recognized bluegrass bands, ranging from John Moore and Friends and John Jorgenson to Special Consensus and Po’ Ramblin Boys. Linda McIntosh, San Diego Union-Tribune, 30 July 2026 The works of Ives, not to mention conceptual programs like a bluegrass/classical blend, may seem more theoretical than actual. Christopher Arnott, Hartford Courant, 26 July 2026 See All Example Sentences for bluegrass

Word History

First Known Use

1751, in the meaning defined at sense 1

Time Traveler
The first known use of bluegrass was in 1751

Browse Nearby Words

See all Nearby Words

Cite this Entry

“Bluegrass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bluegrass. Accessed 16 Aug. 2026.

Kids Definition

bluegrass

noun
1
: any of several grasses with usually bluish green stems
especially : Kentucky bluegrass
2
: country music played on a small group of instruments (as banjo, fiddle, and mandolin) with melody or harmony often made up by players during a performance

Geographical Definition

Bluegrass

geographical name

region of central Kentucky where Kentucky bluegrass abounds that is noted for the breeding of fine horses

More from Merriam-Webster on bluegrass

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster