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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

Once the tree has been infected by oleander leaf scorch, leaves begin to yellow and drop.

From Seattle Times Sep. 6, 2023

They sprinted down the dirt road, Ben taking a commanding lead with every stride, until he heard Sammy trip over a stump and somersault into an oleander bush.

From "The Great Santini" by Pat Conroy

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

In her arrangements, Cuzzanti favors a light touch, creating airy bouquets that often pair beloved blossoms like roses, oleanders and gladiolus with more surprising elements such as artichokes and dried stems.

From New York Times Nov. 18, 2020

Solo acoustic guitarists play in turns as I inhale the music and heady whiffs of oleanders.

From Washington Post Jul. 11, 2019

“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

No one would ever find me there, either, behind all those roses, and just to make sure I would plant oleanders by the road.

From "The Haunting of Hill House" by Shirley Jackson

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