lilac
Americannoun
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any of various shrubs belonging to the genus Syringa, of the olive family, as S. vulgaris, having large clusters of fragrant purple or white flowers: the state flower of New Hampshire.
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pale reddish purple.
adjective
noun
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Also called: syringa. any of various Eurasian oleaceous shrubs or small trees of the genus Syringa, esp S. vulgaris ( common lilac ) which has large sprays of purple or white fragrant flowers
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another name for goat's-rue
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a light or moderate purple colour, sometimes with a bluish or reddish tinge
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( as adjective )
a lilac carpet
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Other Word Forms
Noun Inflected Forms
Etymology
Origin of lilac
First recorded in 1615–25; from obsolete French, from Spanish, from Arabic līlak, from Persian līlak, assimilated variant of nīlak “bluish,” equivalent to nīl “blue, indigo” (from Sanskrit nīla ) + -ak a suffix indicating relationship or origin
Vocabulary lists containing lilac
Non-Color Words to Use When Describing Color
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Purple
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Example Sentences
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See Examples For:
That’s no small attraction, though, for the multiplicity of hues—cerulean, lilac, coral, seafoam, sienna—are hypnotically rendered.
From The Wall Street Journal ● May 4, 2026
Infiniti oozed glamour in a lilac sleeveless Louis Vuitton dress with a fitted bodice and a cascade of ruffles tumbling from her hip to the floor, creating a long train.
From Barron's ● Mar. 15, 2026
"Back in 1998, we had this outfit with tartan trews, a pinky lilac shirt, and these tartan waistcoats, which we were so proud of," Kennedy remembers.
From BBC ● Sep. 11, 2025
Following “the Sydney Cherkov way,” she wears a lilac blouse that telegraphs meek, demure energy.
From Salon ● Jun. 7, 2025
She nodded impatiently, not taking her eyes off her potion, which was still deep purple, though according to the book ought to be turning a light shade of lilac by now.
From "Harry Potter and the Half-Blood Prince" by J.K. Rowling
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But at the same time, lilacs are blooming and birds are flapping around in the trees.
From Los Angeles Times ● Jun. 3, 2024
The 4-acre property, a restoration project honoring the work of famed lilac developer Hulda Klager, is chock-full of lilacs, some of which date to the late 19th century.
From Seattle Times ● May 4, 2024
She described her childhood within the island's forested expanse, making dirt-pies and chasing garter snakes next to "fragrant purple lilacs, sour grapes in vines strangling the trunks of tart green apple trees".
From BBC ● Jan. 30, 2023
Dogs wear glow sticks around their necks; flower merchants switch on headlamps to show off the vibrant colors of their lilacs and peonies; and children are outfitted in reflective clothing for safety.
From New York Times ● Nov. 2, 2022
Apple blossoms come with the lilacs, and the bees visit around among the apple trees.
From "Charlotte's Web" by E.B. White
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.