Based on the concept of "thinking deeply":
* Ignorant: Someone lacking knowledge or understanding.
* Shallow: Someone concerned with superficial matters.
* Unreflective: Someone who doesn't think deeply or critically.
Based on the concept of "seeking wisdom":
* Foolish: Someone lacking good judgment or sense.
* Deluded: Someone with false beliefs.
* Materialist: Someone primarily focused on material possessions and wealth.
Based on the concept of "asking questions":
* Dogmatic: Someone who holds rigid beliefs and refuses to question them.
* Conformist: Someone who blindly follows societal norms and doesn't challenge them.
* Unquestioning: Someone who accepts things without asking why.
Other possibilities:
* Practical: Someone more concerned with practical matters than abstract ideas.
* Pragmatist: Someone who focuses on what works rather than what is theoretically correct.
Ultimately, the best antonym for "philosopher" will depend on the specific meaning you want to convey.