perfidious
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perfidious
- /pɚˈfɪdi.əs/ US
- /pəˈfɪdi.əs/ UK
Rhymes with -ɪdiəs
Where it comes from
From Latin perfidiōsus (“treacherous”), from perfidia. By surface analysis, perfidy + -ous.
adjective more perfidious · most perfidious
-
Of, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance.
TRINCULO (speaking about Caliban): By this light, a most perfidious and drunken / monster: when his god's asleep, he'll rob his bottle.
Similar: deceitful, disloyal, duplicitous, faithless, treacherous, traitorous, unfaithful
Opposite: faithful, honorable, loyal, trustworthy
Thesaurus
adjective
Opposite: faithful, honorable, loyal, trustworthy
Translations
Every language
adj pertaining to perfidy
| Español | pérfido |
|---|---|
| 中文 | 背信棄義的 /背信弃义的 bèixìnqìyì de |
| Português | pérfido, desleal |
| Français | perfide |
| Deutsch | perfide |
| Ελληνικά | παράσπονδος paráspondos |
| Русский | вероло́мный verolómnyj, преда́тельский predátelʹskij, кова́рный kovárnyj |
Talk about this word "perfidious." Wiktionary, via Micwyn, micwyn.com/word/perfidious. Accessed 6 Nov. 2026. perfidious. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/perfidious "perfidious." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/perfidious.Cite this
@misc{perfidious_2026,
title = {perfidious},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/perfidious},
urldate = {2026-11-06}
}
