Inexpediently means impractically, inefficiently, or unsuitably. Antonyms for inexpediently are expediently, advantageously, efficiently, practically, suitably, and appropriately. Expediently means opportunistically, efficiently, and practically. Advantageously means beneficially, opportunistically, and favorably. Efficiently means competently, effectively, and productively. Practically means realistically, pragmatically, and sensibly. Suitably means appropriately, fittingly, and properly. Therefore, it is essential to choose the antonym of inexpediently based on the context of the sentence. Using the correct antonym will provide clarity and establish your thoughts appropriately while communicating.