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oleander

American  
[oh-lee-an-der, oh-lee-an-] / ˈoʊ liˌæn dər, ˌoʊ liˈæn- /

noun

  • oleanders
    plural
  1. a poisonous shrub, Nerium oleander, of the dogbane family, native to southern Eurasia, having evergreen leaves and showy clusters of pink, red, or white flowers, and widely cultivated as an ornamental.


oleander British  
/ ˌəʊlɪˈændə /

noun

  1. Also called: rosebay.  a poisonous evergreen Mediterranean apocynaceous shrub or tree, Nerium oleander, with fragrant white, pink, or purple flowers

"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 oleander

1540–50; < Medieval Latin oleander, oliandrum, obscurely akin to Late Latin laurandrum, perhaps a conflation of Latin laurus laurel and rhododendron rhododendron

Vocabulary lists containing oleander

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:

Several other strains of the bacteria exist and can infect other host plants, including citrus, stone fruits, almonds, oleander and some shade trees, according to the California Pierce’s Disease Control Program.

From Los Angeles Times Jun. 11, 2026

Oleandrin comes from Nerium oleander, a shrub that is deadly to humans; scientists warned the New York Times that the compound was not known to be safe.

From Slate Dec. 11, 2025

He’d woken up in an oleander bush with no memory of how he’d gotten there.

From Salon Jan. 7, 2025

As the coronavirus crisis deepened, Lindell caught flak in August for championing the unproven treatment of oleander after investing in a company that produced a compound from it.

From Seattle Times Jan. 23, 2021

He turned around right there, with that oleander framing him.

From "In the Time of the Butterflies" by Julia Alvarez

Oleander leaf scorch, which can infect olives because they are in the same family as oleanders, can cause leaf yellowing and localized defoliation.

From Seattle Times Sep. 6, 2023

Some annuals, such as geraniums, have a fighting chance, along with perennials such as coleus, hibiscus and oleanders, and even those more accustomed to tropical climates.

From Washington Post Nov. 30, 2021

“It’s heartbreaking,” he said, “to see trees dying in such dramatic numbers in famously lush cities like Pasadena, Alhambra and Arcadia: sycamores, all the maples, olives, liquidambers, flower plums, myrtles, oleanders and oaks.”

From Los Angeles Times Apr. 19, 2017

Today lush pink and white oleanders line broad avenues, and stately sycamores and ginkgo trees extend their shade to pedestrians wilting in the August heat.

From National Geographic Aug. 7, 2015

She rose out of the oleanders, parting them with her hands.

From "Lupita Mañana" by Patricia Beatty

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