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
Grassy winter weeds, such as annual bluegrass, are more narrow and grass-like with parallel veins, says Waltz.
—
Arricca Elin Sansone, Southern Living, 14 Oct. 2025
Make sure to go on a night when the Moondogs bluegrass band is performing with washboards and fiddles.
—Megan Margulies, Travel + Leisure, 11 Oct. 2025
The event features a community sing-along of American spirituals, folk songs and bluegrass favorites, hosted by conductor and composer John Yankee with musicians from the San Diego Bluegrass Society, Mission Bay High School and PB Community Choir.
—Linda McIntosh, San Diego Union-Tribune, 10 Oct. 2025
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.
—Jessica Nicholson, Billboard, 6 Oct. 2025
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Arricca Elin Sansone, Southern Living, 14 Oct. 2025
Make sure to go on a night when the Moondogs bluegrass band is performing with washboards and fiddles.
—Megan Margulies, Travel + Leisure, 11 Oct. 2025
The event features a community sing-along of American spirituals, folk songs and bluegrass favorites, hosted by conductor and composer John Yankee with musicians from the San Diego Bluegrass Society, Mission Bay High School and PB Community Choir.
—Linda McIntosh, San Diego Union-Tribune, 10 Oct. 2025
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.
—Jessica Nicholson, Billboard, 6 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 22 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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