Radiodynamic is a word that is relatively uncommon, and thus, finding synonyms for it may be a challenge. The term typically refers to something that is characterized by the radiation of energy, or energy radiated in a particular direction, often associated with electromagnetic waves. Some synonyms for radiodynamic may include energetic, radiant, and dynamic. Additionally, words like powerful, vibrant, and vigorous may be used to describe something that is radiodynamic. Other possible synonyms could be electromagnetic, energetic, or radiant, depending on the context in which the term is being used. Ultimately, choosing the right synonym will depend on the specific meaning and nuances of the word in question.