infidus

Latin

Etymology

From in- +‎ fīdus.

Pronunciation

• (Classical Latin) IPA^(key): /inˈfiː.dus/, [ĩːˈfiːd̪ʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /inˈfi.dus/, [iɱˈfiːd̪us]

Adjective

īnfīdus (feminine īnfīda, neuter īnfīdum); first/second-declension adjective

1. untrustworthy, incredible
2. disloyal, unfaithful

   Synonym: perfidus

3. uncertain, unsafe

Declension

First/second-declension adjective.

	singular				plural
	masculine	feminine	neuter		masculine	feminine	neuter
nominative	īnfīdus	īnfīda	īnfīdum		īnfīdī	īnfīdae	īnfīda
genitive	īnfīdī	īnfīdae	īnfīdī		īnfīdōrum	īnfīdārum	īnfīdōrum
dative	īnfīdō	īnfīdae	īnfīdō		īnfīdīs
accusative	īnfīdum	īnfīdam	īnfīdum		īnfīdōs	īnfīdās	īnfīda
ablative	īnfīdō	īnfīdā	īnfīdō		īnfīdīs
vocative	īnfīde	īnfīda	īnfīdum		īnfīdī	īnfīdae	īnfīda

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.