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dahlia

American  
[dal-yuh, dahl-, dayl-] / ˈdæl jə, ˈdɑl-, ˈdeɪl- /

noun

  • dahlias
    plural
  1. any composite plant of the genus Dahlia, native to Mexico and Central America and widely cultivated for its showy, variously colored flower heads.

  2. the flower or tuberous root of a dahlia.

  3. a pale violet or amethyst color.


adjective

  1. of the color dahlia.

dahlia British  
/ ˈdeɪljə /

noun

  1. any herbaceous perennial plant of the Mexican genus Dahlia , having showy flowers and tuberous roots, esp any horticultural variety derived from D. pinnata : family Asteraceae (composites)

  2. the flower or root of any of these plants

"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 dahlia

1791; < New Latin, named after Anders Dahl (died 1789), Swedish botanist; see -ia


Vocabulary lists containing dahlia

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:

“I didn’t want to completely lose my old self, but I wanted to let it wilt in a way,” they say, explaining how they saw themselves reflected in the dahlia.

From Los Angeles Times ● Jan. 22, 2026

A total eclipse of the sun is said to look like a black dahlia or a monochrome sunflower.

From Los Angeles Times ● Apr. 6, 2024

It was black with long sleeves in tulle decorated with pleated ruffles in a dahlia print.

From Seattle Times ● Jan. 15, 2024

Named for the dahlia flower whose petals bloom in concentric arrays , the dahliagram's "petals" illustrate the relative impact of different pull and push factors contributing to human behavior over time.

From Science Daily ● Nov. 22, 2023

“Because you’re silly,” he said, tossing her the head of a flower, a wilted dahlia, which she jammed into her hair.

From "In Cold Blood" by Truman Capote

"When I first started, there were a lot of the 'old boy gardeners', who loved dahlias, chrysanthemums, the old fashioned plants," he said.

From BBC ● Apr. 27, 2025

I reached out to a couple of local flower farmers for their best tips on growing dahlias in the Puget Sound region:

From Seattle Times ● Apr. 27, 2024

Tables will be festooned with pink roses, Australian eucalyptus, dahlias and delphiniums.

From Washington Times ● Oct. 25, 2023

The experience has empowered her to consider next year’s growing season, which she hopes will include dahlias, foxglove and amaranth.

From Los Angeles Times ● Oct. 17, 2023

Now he saw her as a frail woman content to do tiny things; to grow and cultivate small life that would not hurt her if it died: rhododendron, goldfish, dahlias, geraniums, imperial tulips.

From "Song of Solomon" by Toni Morrison

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