perfidiously's Usage Examples:

Tripoli put up a stubborn fight and perfidiously feigned surrender three times in an engagement lasting three hours before.

family is unclear; there are two or more versions: The whole family was perfidiously executed in 1109.

She employs the centuries-old image of the perfidiously murderous Jews.

mori jetën pabesisht qeveritarit Idhomen Kosturi [Communist shooter who perfidiously killed the politician Idhomen Kosturi] (in Albanian), Gazeta Bulevard.

period United States soldiers, while committing no offense, had been perfidiously attacked and inhumanly murdered in your streets; no punishment had been.

parole was admitted to certain limits, which he has most basely and perfidiously deserted.

of Harewood, in resentment of the Earl’s having basely betrayed and perfidiously married his intended bride and beauteous Elfrida, daughter of Ordgar.

] Gomez didn't trust them any more[sic] and had them perfidiously assassinated.

Milošević never muzzled the media this perfidiously.

in a person it changes his life into nothing but moments, because it perfidiously serves its blinded master while working its way up to make him serve.