breeding ground


noun

a place where animals breed or to which they return to breed.
an environment suitable for or fostering the development of an idea, thing, etc.: a breeding ground for violence.

Origin of breeding ground

First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for breeding ground

hatchery, birthplace, rookery

Examples from the Web for breeding ground

Historical Examples of breeding ground