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
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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
Snow sometimes dusts the surrounding slopes, melting by afternoon into damp earth as manzanita and mountain lilac begin to flower.
From Los Angeles Times • Apr. 7, 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
The leaves had little thorns at the ends and lilac berries of some sort.
From "The Boy Who Met a Whale" by Nizrana Farook
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.
