Meanings
adverbperfidiously (comparative more perfidiously, superlative most perfidiously)
comparative more perfidiously · superlative most perfidiously
- In a perfidious manner.
Synonyms: dastardly, proditoriously, traitorly, dastardly, disloyally, false, falsely, Judasly
Synonyms & antonyms
adverbIn a perfidious manner.
Origin
Translations
German heimtückisch, treulos
- heimtückischin a perfidious manner
- treulosin a perfidious manner
Polish perfidnie
- perfidniein a perfidious manner
Turkish haince, kalleşçe
- haincein a perfidious manner
- kalleşçein a perfidious manner
Cite this entry
APA
perfidiously. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/perfidiously
MLA
“perfidiously.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/perfidiously. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “perfidiously,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/perfidiously.
Source: perfidiously on Wiktionary, CC BY-SA 4.0.