"Perfidiously" is a word in ENGLISH

búdhì - Betrayal, treachery, foul play, treason, perfidy, perfidiousness; to betray, be false to, be faithless, disloyal. Ginbudhián ni Hudás …

Disloyal; perfidious.

Not true to allegiance, duty, or vows; perfidious; trecherous; disloyal; not of true fidelity; inconstant, as a husband or a …

Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous; perfidious; as, a false friend, lover, or subject; …

Hollow or unsound at the core; treacherous; deceitful; perfidious.

Treachery; deceit; perfidy; unfaithfulness.

In a false manner; erroneously; not truly; perfidiously or treacherously.

The state of being false; contrariety to the fact; inaccuracy; want of integrity or uprightness; double dealing; unfaithfulness; treachery; perfidy; …

Having the quality of felony; malignant; malicious; villainous; traitorous; perfidious; in a legal sense, done with intent to commit a …

kaluíb - Treason, treachery, perfidy, perfidiousness, betrayal. (cf. luíb, kabúdhì).

luíb - Treachery, treason, perfidy, betrayal, foul play; treacherous, perfidious, cheating to commit a treacherous act, to cheat, betray, mislead, …

mabúdhì - Treacherous, perfidious, disloyal, traitorous. (búdhì).

maluíb - Traitorous, treacherous, betraying, untrustworthy, disloyal, perfidious; a traitor. (cf. luíb, mabúdhì, malubhaón).

of Perfidy

Guilty of perfidy; violating good faith or vows; false to trust or confidence reposed; teacherous; faithless; as, a perfidious friend.

Involving, or characterized by, perfidy.

The quality of being perfidious; perfidy.

The act of violating faith or allegiance; violation of a promise or vow, or of trust reposed; faithlessness; treachery.

The act of one who has en-gaged his faith to do a thiug, and does not do it, but does …

Treacherous; perfidious; traitorous.