What is a synonym for the word spurious?

Here are some synonyms for "spurious," depending on the specific context:

General:

* False

* Fake

* Counterfeit

* Bogus

* Deceptive

* Fraudulent

* Fictitious

* Unreliable

More specific:

* Invalid (for arguments or claims)

* Unfounded (for claims or beliefs)

* Misleading (for information)

* Sham (for something pretending to be something else)

* Phony (for something that is fake or imitation)

The best synonym to use will depend on the specific context and the nuances you want to convey.