Definition: "Oleander" is a noun that refers to a type of flowering shrub. This plant has narrow, green leaves that stay green all year (evergreen) and produces beautiful clusters of flowers that can be white, pink, or red. While it is often grown for its attractive appearance, it is important to know that oleander is poisonous if ingested.
In more advanced discussions, you might talk about the cultivation of oleander in different climates or its use in landscaping designs due to its hardiness and drought resistance.
There are no direct synonyms for "oleander," but you might refer to it in a more general sense as a "flowering shrub."
There are no common idioms or phrasal verbs specifically involving "oleander," but you could use the word in idiomatic expressions about beauty and danger, such as "all that glitters is not gold."
In summary, "oleander" is a beautiful but dangerous plant that you might see in gardens.