bluebonnet

noun

blue·​bon·​net ˈblü-ˌbä-nət 

1

a

: a wide flat round cap of blue wool formerly worn in Scotland

b

: one that wears such a cap

specifically : scot

2

: either of two low-growing annual lupines (Lupinus subcarnosus or L. texensis) of Texas with silky foliage and blue flowers

Examples of bluebonnet in a Sentence

Recent Examples on the Web

There are actually six types of bluebonnets that bloom within Texas: the annual lupine, Big Bend bluebonnet, perennial bluebonnet, dune bluebonnet, sandyland bluebonnet, and Texas bluebonnet. —Mae Hamilton, AFAR Media, 25 Mar. 2025

Early bloomers like the popular Texas state flower, the bluebonnet, and the Texas paintbrush may not be as plentiful. —David Montesino, Fort Worth Star-Telegram, 24 Mar. 2025

But areas like Central Texas and Western Texas that have faced a drier year and ongoing drought conditions will probably have sparser fields of bluebonnets and Texas paintbrushes, according to the Lady Bird Johnson Wildflower Center. —Shafaq Patel, Axios, 21 Mar. 2025

But for landscapes of the bluebonnets, orange Indian paintbrushes, and other wildflowers dotting Texas’s Hill Country (the roughly 31,000 square miles between Texas’s High Plains and San Antonio), set your sights on the leg from San Antonio to Austin. —Lyndsey Matthews, AFAR Media, 17 Mar. 2025

Word History

First Known Use

1568, in the meaning defined at sense 1a

Rhymes for bluebonnet

• propionate
• sonnet

Kids Definition

bluebonnet

noun

blue·​bon·​net ˈblü-ˌbän-ət 

: a low-growing annual lupine of Texas with silky leaves and blue flowers