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

Texas native Matthew McConaughey teamed up with late-night host Jimmy Fallon to put a bluegrass spin on one of Ella Langley’s biggest hits. — Natassia Paloma, USA Today, 15 Aug. 2026

Deep within the backwoods of rural Oklahoma, charismatic and musically gifted Amziah King herds a bluegrass-playing band of misfits while overseeing the premier honey-making operation in town. — Jill Goldsmith, Deadline, 14 Aug. 2026

But this film’s logic lies in the edit, starting and ending with a stop-start stutter motif that jars us into this world of a small Oklahoma town, where a bluegrass band jams in a restaurant parking lot. — Katie Walsh, Los Angeles Times, 14 Aug. 2026

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

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
• crabgrass
• crevasse
• eelgrass
• eyeglass
• groundmass
• harass
• impasse
• jackass

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