1 a place or condition that produces or causes a lot of something, esp. something bad: --
Poverty is a breeding ground for crime.
If we tolerate unemployment and exclusion among the young, we establish a breeding ground for intolerance.
This influx of marginalised individuals provides a breeding ground for all sorts of crime and exploitation.
This is how the breeding ground for those secession movements grows.
The country's urban and rural poor live in conditions of marginality and impoverishment which have been a breeding ground for disaffection, criminality and political violence over decades.
An appreciation of corruption's debilitating economic impact and consequently its role as a breeding ground for local and global poverty must be made widely known to the general public.
It is uncertain as yet, however, whether the species is sufficiently numerous or widely distributed to be of more than local importance in affording a winter breeding ground for stainers.
It was believed that the squatters were a breeding ground for fire and disease, a great risk to public health and public order that had to be eradicated.
The interstate competition for capital in a federal system provided a breeding ground for the experimentation of state laws.
