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lilac

American  
[lahy-luhk, -lahk, -lak] / ˈlaɪ lək, -lɑk, -læk /

noun

lilacs plural
  1. 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.

  2. pale reddish purple.


adjective

  1. having the color lilac.

lilac British  
/ ˈlaɪlək /

noun

  1. 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

  2. another name for goat's-rue

    1. a light or moderate purple colour, sometimes with a bluish or reddish tinge

    2. ( as adjective )

      a lilac carpet

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

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.

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

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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