Antonyms for the word "most metaphoric" could include literal, straightforward, realistic, practical, or unembellished. A metaphor is a figure of speech that describes something in terms of something else, often using vivid or imaginative language. Antonyms of this word would describe language that is more concrete and direct in its meaning, without relying on comparisons or imagery. Literal language refers to words that are taken at face value, with no figurative or imaginative meaning intended. Similarly, straightforward language is clear and direct, with no attempt at being clever or poetic. Realistic language describes things as they really are, without exaggeration or embellishment. Pragmatic language is practical and realistic, with a focus on usefulness and effectiveness. Finally, unembellished language is plain and simple, without any unnecessary decoration or ornamentation.