Nihilistic (adjective)
منکر مذہب،منکر خدا
rejecting all religious and moral principles in the belief that life is meaningless.
Example: “an embittered, nihilistic teenager”
Synonyms: anarchic, lawless, rebellious, revolutionary
Antonyms: allowance, approval, ratification, belief
Perfidious (adjective)
مکار، دغا باز، بے وفا
deceitful and untrustworthy.
Example: “a perfidious lover”
Synonyms: treacherous, duplicitous, deceitful, disloyal, faithless, unfaithful, traitorous, treasonous
Antonyms: faithful, loyal