The term "most Einstein" is used to describe someone who is exceptionally intelligent. However, there are several antonyms that could be used to describe someone who is unlike Einstein's intellectual capability. These antonyms include terms such as ignorant, unintelligent, foolish, unintellectual, and unwise. People who lack knowledge, understanding, or a capacity for critical thinking may fit these descriptions. It is important to note that intelligence comes in many forms and not everyone can be the "most Einstein." It's essential to celebrate and value all types of intelligence, regardless of their society's perception of smartness.