A medical term, referring to a temporary or permanent impotence.
This include many different conditions.
It can be simply a low sperm count, reducing the ability to reproduce.
Generally associated with erectile problems, such as the inability to sustain an erection, or to gain an erection when proper stimulation is available.
The condition is usually treated with various drugs, or therapy, depending on its nature.
Temporary genital failure can also be from a variety of reasons, that can be addressed by proper medical advice.