обманщица

deceiver, cheat

обман to deceive, to trick + щиц female agent or practitioner + а feminine singular nominative

noun · feminine singular · nominative Rare #37,360

deceiver, cheat A female person who deceives or cheats.

RU: Эта обманщица снова всех перехитрила.

EN: This deceiver tricked everyone again.

You’re a liar.

Damn liar!

— И всё же Лоранс (2012)

She is not a liar.

Deceiver!

— Вторжение динозавра (2006)

You’re a liar.

— Бойцовский клуб (1999)