buttercup

noun

but·​ter·​cup ˈbə-tər-ˌkəp 

plural buttercups

: any of a large genus (Ranunculus of the family Ranunculaceae, the buttercup family) of chiefly perennial herbaceous plants having colorful cup-shaped flowers with 5 or sometimes many petals : ranunculus

especially : a plant (such as R. acris and R. repens) with usually bright yellow, five-petaled flowers

The flowers …, 1 1/2-in.-wide golden buttercups set atop a green topknot of fringy leaves, are very bright and cheery in the chill of March.

—Aileen Detter Rodgers

compare crowfoot, spearwort

Examples of buttercup in a Sentence

Recent Examples on the Web

Many of us experience nature mainly with one sense – our sight – appreciating bright orange poppies, purple lupines, yellow buttercups and more amid the medley of spring wildflowers. —Anne Ferguson, Mercury News, 16 June 2025

Once established, creeping buttercup can be difficult to control. —Mary Marlowe Leverette, Southern Living, 11 June 2025

The most effective method of control is using a herbicide in the spring that kills broadleaf weeds before creeping buttercup forms seeds. —Mary Marlowe Leverette, Southern Living, 11 June 2025

Image Hepatica, a relative of the buttercup, comes up first in that northern clime. —Walker Mimms, New York Times, 15 May 2025

Word History

First Known Use

1688, in the meaning defined above

Rhymes for buttercup

• backup
• blowup
• breakup
• buildup
• checkup
• cleanup
• holdup
• hookup
• lineup
• lockup
• makeup
• markup

Kids Definition

buttercup

noun

but·​ter·​cup ˈbət-ər-ˌkəp 

: any of a genus of herbs having cuplike yellow flowers