The phrase "most nonadhering" typically refers to a material that does not stick or adhere to other surfaces. Synonyms for this phrase could include words such as non-sticky, non-grip, non-cling, non-attachment, or non-binding. These synonyms all suggest that the material in question does not adhere, cling, or stick to other surfaces, making it easy to move and handle without unwanted sticking or attachment. Whether you need to describe a non-stick surface for cooking or a non-adhering material for industrial use, these synonyms can help you convey the right meaning and connotation in your writing or speech.