General synonyms:
* Misleading
* Tricky
* Fraudulent
* Dishonest
* False
* Illusory
* Spurious
* Unreal
* Pretentious
More specific synonyms:
* Cunning (implies cleverness in deception)
* Sly (implies subtlety and secrecy)
* Duplicitous (implies double-dealing)
* Treacherous (implies betrayal and harm)
* Shady (implies questionable or illegal activities)
* Evasive (implies avoiding the truth)
* Machiavellian (implies cunning and manipulation)
* Subterfuge (implies using tricks or strategies to hide the truth)
The best synonym to use will depend on the context of the sentence and the specific meaning you want to convey.