infidelitas

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.