In the realm of academic disciplines, there isn't a specific field that is considered the direct opposite of physics. Physics is a natural science that explores the fundamental principles governing matter, energy, and their interactions. It encompasses various subfields such as classical mechanics, quantum mechanics, thermodynamics, electromagnetism, and more.
However, if we consider the opposite of physics in terms of subject matter or focus, one could argue that metaphysics is often seen as its philosophical counterpart. Metaphysics deals with abstract concepts and fundamental questions about reality, existence, consciousness, causality, and the nature of being. While physics focuses on empirical observations and the study of the physical world, metaphysics explores topics beyond the physical realm and delves into philosophical inquiries that are not directly testable through scientific methods.
It's important to note that the term "opposite" in this context is used loosely, as physics and metaphysics are not necessarily conflicting or mutually exclusive, but rather they approach the understanding of the universe from different perspectives and methodologies.