evening primrose

noun

: any of several dicotyledonous plants of a family (Onagraceae, the evening-primrose family) and especially of the type genus (Oenothera)

especially : a coarse biennial herb (O. biennis) of North America with yellow flowers that open in the evening

Examples of evening primrose in a Sentence

Recent Examples on the Web

According to animal and lab research, evening primrose oil may reduce platelet aggregation and blood clotting time. —Brittany Lubeck, Ms, Rdn, Verywell Health, 26 July 2024

Here, visitors can experience arguably one of the most unique and colorful wildflower displays in the country, which features an array of desert plants, including prickly pear, evening primroses, Mojave asters, and desert paintbrushes. —Deb Hopewell, AFAR Media, 24 Mar. 2025

It’s packed with one hydrating ingredient after the other, including evening primrose oil, hyaluronic acid, Vitamin E, argan oil, and avocado oil. —Alyssa Grabinski, People.com, 4 Mar. 2025

This blush formula blends brightening mulberry extract, alongside soothing elderberry and evening primrose extracts. —Iman Balagam, Vogue, 18 Feb. 2025

Word History

First Known Use

1761, in the meaning defined above

Rhymes for evening primrose

• agarose
• aliquots
• amigos
• anthracnose
• bottlenose
• buffaloes
• bungalows
• calicoes
• cameos
• commandos
• conversos
• decompose

Kids Definition

evening primrose

noun

1

: a coarse herb that lives two years and produces yellow flowers that open in the evening

2

: any of several plants related to the evening primrose