The antonyms for the word "more expositional" can be varied depending on the context or intention. In general, some of the common antonyms for "expositional" may include inexplicit, implicit, suggestive, allusive, and suggestive. While expositional denotes a style of communication that is straightforward, informative, or explanatory, the antonyms carry the opposite traits. For instance, "inexplicit" suggests vagueness or ambiguity, while "implicit" implies meaning that is implied or inferred. On the other hand, "allusive" hints at something indirectly, while "suggestive" implies a hint or insinuation. Depending on the purpose or desired effect, choosing an antonym to "expositional" can make the communication more interesting or open to interpretation.