perfidus

Meaning

1. (adjective, declension-1, declension-2) that breaks one's promise; false; faithless; dishonest; disloyal; deceitful
2. (adjective, broadly, declension-1, declension-2) treacherous; unsafe; dangerous

Concepts

treasonous

perfidious

perilous

unsafe

Punic

false-hearted

dangerous

faithless

Synonyms

periculosus

perīculōsus

Translations

perfide

bedreigend

dangereux

redoutable

pericoloso

perfido

hasardeux

gewagt

perillós

périlleux

risqué

pericolosa

gefährlich

arrischiato

gevaarlijk

Pronounced as (IPA)

[ˈpɛr.fɪ.dʊs]

Etymology

From per (“through; along”) + fidēs (“faith; trust”) + -us (adjectival suffix), based on the phrase per fidem dēcipere (“to deceive through faith”).