Definition of "untrust"

Alternatively, untrust corresponds to the space between distrust and trust, in which an agent is positively trusted, but not sufficiently to cooperate with.

2006, Matthias Klusch, Michael Rovatsos, Terry R. Payne, Cooperative Information Agents X

The absence of trust is sometimes called untrust (Marsh and Dibben, 2005). As most of the trust literature focuses on the positive aspect of trust, it is restricted to the simple dichotomy between trust and untrust.

2009, Kai Rannenberg, Denis Royer, André Deuker, The Future of Identity in the Information Society