The phrase "heavenly kingdom" typically evokes the idea of a paradise-like realm ruled by a supreme being or holy figure. However, if we were to consider the opposite of such a notion, some antonyms that could be employed include 'infernal chaos,' 'hellish dystopia,' 'evil empire,' or 'diabolic realm'. These terms suggest a contrary landscape defined by malevolence, disarray, and lack of divine order. While the idea of a 'heavenly kingdom' is often associated with comfort and faith, its opposite counterparts create images of desolation, despair, and darkness. It is important to note, however, that even though these antonyms may seem extreme, the choice of words plays a significant role in shaping the meaning conveyed.