lilac

noun

li·​lac ˈlī-ˌläk  -ˌlak 

-lək

1

a

: a widely cultivated European shrub (Syringa vulgaris) of the olive family that has cordate ovate leaves and large panicles of fragrant pinkish-purple or white flowers

b

: a tree or shrub congeneric with the lilac

2

: a variable color averaging a moderate purple

Illustration of lilac

• lilac 1a

Examples of lilac in a Sentence

Recent Examples on the Web

Comey’s nods to Drexler are mostly subtle, drawing from the artist’s color palette of vibrant hues from bright green and orange to cobalt blue and lilac, with an eye toward their high-contrast juxtapositions, a hallmark of Drexler’s paintings. — Maximilíano Durón, ARTnews.com, 11 Sep. 2026

The gold complemented her ethereal lilac chiffon McQueen dress, featuring a sweetheart strapless neckline and flowing layers of delicate fabric. — Jaden Thompson, Footwear News, 10 Sep. 2026

Levin also dipped into cool tones of lilacs, lavenders, and grays. — Kirbie Johnson, Allure, 10 Sep. 2026

Purple Haze From smoky lilac to rich plum, from wine red to dusty mauve, the purple palette reigns supreme this time of year. — Joy Montgomery, Vogue, 9 Sep. 2026

Word History

Etymology

obsolete French (now lilas), from Arabic līlak, from Persian nīlak bluish, from nīl blue, from Sanskrit nīla dark blue

First Known Use

1625, in the meaning defined at sense 1a

Rhymes for lilac

• aback
• attack
• backpack
• backtrack
• bareback
• blackjack
• brownback
• buyback
• callback
• cognac
• comeback
• cutback

Kids Definition

lilac

noun

li·​lac ˈlī-lək  -ˌlak 

-ˌläk

1

: any of a genus of shrubs and trees related to the olive

especially : a European shrub widely grown for its showy clusters of fragrant pink, purple, or white flowers

2

: a medium purple