lilac

noun

li·​lac ˈlī-ˌläk How to pronounce lilac (audio) -ˌlak How to pronounce lilac (audio)
-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

Illustration of lilac
  • lilac 1a

Examples of lilac in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For that occasion, FLOTUS donned a crepe off-the-shoulder column gown in sunflower from Carolina Herrera’s Wes Gordon, which was accented with a lilac silk belt with a covered buckle, and light lilac frosted pumps from Manolo Blahnik. Rosemary Feitelberg, Footwear News, 18 Sep. 2025 From summer to late fall, these white to pale lilac flowers with purple spots bloom surrounded by foliage that’s arranged like a feather. Sheryl Geerts, Better Homes & Gardens, 17 Sep. 2025 The shade lineup spans 10 options, ranging from pale lilac to rosy pink to plummy burgundy, all inspired by NYC sunsets. Karina Hoshikawa, Refinery29, 16 Sep. 2025 When the pink bulbs ultimately ran out, Brooks advised customers to switch to a soft-lilac bulb made in Finland that mimics the same glow. Clio Chang, Curbed, 11 Sep. 2025 See All Example Sentences for lilac

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

Time Traveler
The first known use of lilac was in 1625

Browse Nearby Words

Cite this Entry

“Lilac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lilac. Accessed 22 Sep. 2025.

Kids Definition

lilac

noun
li·​lac ˈlī-lək How to pronounce lilac (audio) -ˌlak How to pronounce lilac (audio)
-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

More from Merriam-Webster on lilac

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!