perfidious

UK
/pəˈfɪd.i.əs/
US
/pərˈfɪd.i.əs/

Translations

perfidiousadjective
more perfidious
Comp.
most perfidious
Super.
UK
/pəˈfɪd.i.əs/
US
/pərˈfɪd.i.əs/
The perfidious ally betrayed us at the last moment.
Вероломный союзник предал нас в последний момент.
His perfidious actions caused a lot of harm to the team.
Его коварные действия нанесли команде много вреда.

Definitions

perfidiousadjective
Deceitful and untrustworthy.
The perfidious ally betrayed their trust at the most crucial moment.