English → Latin
“faithless” in Latin
perfidusthat breaks one's promise; false; faithless; dishonest; disloyal; deceitful; treacherous; unsafe; dangerousperfidiōsustreacherous, perfidiousīnfidēlisunfaithful; treacherous, disloyal; unbelieving, infidelīnfīdusuntrustworthy, incredible; disloyal, unfaithful; uncertain, unsafe
Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864
faithless
Unfaithful, perfidus: perfidiosus (one who deliberately violates the obligations of duty by breaking faith with anybody; perfidiosus, of him who does this habitually): infidelis (utterly without the virtue of fidelity; opposed to fidelis): infidus (without even natural trustworthiness; opposed to fidus).
Unbelieving, qui non facile adduci potest, ut credat (general term): *qui veram Christi religionem non profitetur (in a Christian sense). To be faithless; Vid: “to break one’s FAITH.
Quick answer
- What is the Latin word for faithless?
- The usual Latin words for “faithless” are perfidus, perfidiōsus, īnfidēlis; also īnfīdus. The right choice depends on the sense; see the distinctions below.
Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.