Adiamorphic is a term used to describe something that lacks definite or distinct form. Its antonyms are words that indicate a definite shape, form, or structure. These antonyms include: symmetrical, proportionate, regular, balanced, shaped, formed, structured, well-defined, and recognizable. These words connote a sense of order, precision and clarity that are opposite to the ambiguity and formlessness of adiamorphic. They describe things that are clear, concise, and recognizable - an essential quality in art, architecture, design, and science. Using these antonyms, one can provide a clear contrast and context to the term adiamorphic, helping to better understand its meaning.