"More Einstein" is an idiomatic expression used to describe someone who is highly intelligent or possesses remarkable intellectual abilities similar to the famous physicist, Albert Einstein. The antonyms for the phrase would be words that describe the opposite of intelligence or intellectual ability. Some antonyms for "more Einstein" can be foolish, ignorant, stupid, or unwise. These words describe people who lack knowledge, understanding, or good judgment, which are the key attributes associated with Einstein. Though antonyms are used to express the opposite of something, it is essential to remember that these words do not define a person or their worth.