Adv. faithlessly , dishonestly , treacherously , perfidiously .
http://lila-erc.eu/data/lexicalResources/LewisShort/id/LexicalSense/n34917.2_perfidiose an entity of type: LexicalSense
Adv. faithlessly , dishonestly , treacherously , perfidiously .
Adv. faithlessly , dishonestly , treacherously , perfidiously .