infidus

== Latin == === Etymology === From in- +‎ fīdus. === Pronunciation === (Classical Latin) IPA(key): [ĩːˈfiː.dʊs] (modern Italianate Ecclesiastical) IPA(key): [iɱˈfiː.dus] === Adjective === īnfīdus (feminine īnfīda, neuter īnfīdum); first/second-declension adjective untrustworthy, incredible disloyal, unfaithful Synonym: perfidus uncertain, unsafe ==== Declension ==== First/second-declension adjective. === References === “infidus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “infidus”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers “infidus”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.