

Human: What are some other ways to call someone stupid?

Assistant: Can you tell me what you mean by “stupid”?  I’m trying to understand what you’re looking for.

Human: You know, names like dumb, imbecile, ect.

Assistant: 
You can call someone “stupid” if you mean that they’re cognitively deficient.  This term is usually used to refer to a person who lacks understanding, comprehension, and ability to think and reason, and so can’t learn and comprehend information well, or act appropriately.  
Oh, are you looking for examples of insults that people might say to each other?