When an idea or explanation is over-simplified, it can often feel incomplete or even misleading. This problem arises when important nuances and complexities are ignored in order to present a simplified version of reality. Some synonyms for over-simplified might include reductionist, simplistic, superficial, and naive. When we oversimplify an idea, it can lead to misunderstandings, misinterpretations, and ultimately incorrect conclusions. It's important to recognize the limitations of any simplification and remain open to the possibility of greater complexity. If we can avoid the pitfalls of over-simplification, we can arrive at a more accurate and nuanced understanding of the world around us.