bluegrass
noun
blue·grass
ˈblü-ˌgras 
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
Check out all of these and more in Billboard‘s roundup of some of the best country, bluegrass and/or Americana songs of the week below.
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Jessica Nicholson, Billboard, 6 Oct. 2025
This same fungus also causes brown patch in cool-season grasses such as tall fescue, bluegrass and ryegrass.
—Arricca Elin Sansone, Southern Living, 6 Oct. 2025
Fisher cites his bluegrass guitarist pal landing a gig with Broadway’s newest restauranter, Post.
—Leena Tailor, HollywoodReporter, 3 Oct. 2025
Much like country music’s ever-evolving dance with urban cultural influences, the very stage where Bill Monroe birthed bluegrass, Dolly Parton made her Grand Ole Opry debut, Johnny Cash kicked out the footlights and George Jones etched his legend has undergone a transformation of its own.
—Marcus K. Dowling, Nashville Tennessean, 2 Oct. 2025
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Jessica Nicholson, Billboard, 6 Oct. 2025
This same fungus also causes brown patch in cool-season grasses such as tall fescue, bluegrass and ryegrass.
—Arricca Elin Sansone, Southern Living, 6 Oct. 2025
Fisher cites his bluegrass guitarist pal landing a gig with Broadway’s newest restauranter, Post.
—Leena Tailor, HollywoodReporter, 3 Oct. 2025
Much like country music’s ever-evolving dance with urban cultural influences, the very stage where Bill Monroe birthed bluegrass, Dolly Parton made her Grand Ole Opry debut, Johnny Cash kicked out the footlights and George Jones etched his legend has undergone a transformation of its own.
—Marcus K. Dowling, Nashville Tennessean, 2 Oct. 2025
See All Example Sentences for bluegrass
Cite this Entry
“Bluegrass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bluegrass. Accessed 10 Oct. 2025.
Copy CitationKids Definition
bluegrass
noun
blue·grass
-ˌgras
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
Blue·grass
ˈblü-ˌgras
region of central Kentucky where Kentucky bluegrass abounds that is noted for the breeding of fine horses
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