The word "more unphysical" can be interpreted as something that is not tangible or material. Its antonyms could include words like material, physical, concrete, substantial or tangible. These words denote something that is real, solid or touchable. They indicate that the object in question has a physical existence, and can be perceived through one or more of the five senses. Opposite to the abstract and intangible nature of "more unphysical," these antonyms refer to something that can be experienced, measured or quantified with the help of scientific tools and techniques. Whether in the realm of physics, chemistry or biology, the antonyms of "more unphysical" are significant in defining the limits of material reality.