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

This year’s line-up includes Rhonda Vincent & the Rage, Ismay, Becky Buller Band and other talented bluegrass musicians. —Sarah Kuta, Denver Post, 14 May 2025

In the 2000s, the Del McCoury Band, Ricky Skaggs, and Rhonda Vincent carried on the dress-to-impress bluegrass tradition, always looking sharp for their audience. —Joseph Hudak, Rolling Stone, 15 Apr. 2025

Country rockers Eli Howard and the Greater Good, Primus tribute act Seawater, fellow bluegrass act Caltucky and Bobby Dickson’s Unchained Ghost Train join the action. —Aaron Davis, Sacbee.com, 5 Apr. 2025

Russell has all the accolades and is so renowned within the bluegrass world. —Chris Willman, Variety, 2 Apr. 2025

Word History

First Known Use

1751, in the meaning defined at sense 1

Phrases Containing bluegrass

• Kentucky bluegrass
• rough bluegrass

Rhymes for bluegrass

• alas
• amass
• bromegrass
• bypass
• chagas
• crabgrass
• crevasse
• eelgrass
• eyeglass
• groundmass
• harass
• impasse

Kids 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