The antonyms for the word "more galvanic" could be "less stimulating", "unexciting", or "bland". These words are used to describe something that lacks energy, enthusiasm, or emotional intensity. For example, a movie or a book that is less stimulating may not have the same level of suspense or thrill as other works in the same genre. Similarly, an unexciting conversation can be dull and uninteresting. In contrast, "more galvanic" suggests something that is dynamic, charged with energy, and capable of eliciting strong reactions. Therefore, its antonyms depict the opposite of it, representing dullness and monotony.