The antonyms for the term "more iterant" can be less, minimal, infrequent, sporadic or occasional. If something is less iterant, it means that it occurs with less frequency or intensity. For instance, a task that is more iterant gets repeated often, while a less iterant task is done occasionally or irregularly. Similarly, a situation that is minimal in iterance is not repeated often or only a few times. Infrequent and sporadic both signify low frequency or quantity, but neither implies repetition. In short, antonyms for "more iterant" mean less-frequent, less consistent or less-repeated.