0 (of a criticism, etc.) directed against a person, rather than against what that person says: --
1 in a way that is directed against a person, rather than against what they say: --
2 criticism or attacks directed against a person, rather than against what they say: --
I believe people of learning, describe that as an argumentum ad hominem.
I am not worried about individual decisions that he may make, on ex officio or ad hominem grounds.
However, this is not a piece of ad hominem legislation.
It is an argument ad hominem, but it is a point which is very relevant.
For as long as they content themselves with ad hominem attacks, things will not change.
The insufficient number of homoeopathic consultants has been relieved in the meantime to some extent by ad hominem appointments.
This is known as legislation ad hominem and we all know the name of the man.
The argument ad hominem is always dangerous, is generally fallacious, and is very often biassed.