infĭdēlĭtas, ātis, f. [infidelis],
unfaithfulness , faithlessness , infidelity : amicitiarum, Cic. Tusc. 5, 22: infidelitatis suspicionem sustinere, * Caes. B. C. 2, 33. — In plur.: quantae infidelitates in amicitiis, Cic. Mil. 26, 69.
īnfidēlitās ātis, f infidelis, unfaithfulness, faithlessness, infidelity : infidelitatis suspicio,...
An Elementary Latin Dictionary