This chapter examines Hangul’s ‘uniqueness’ through the prisms of its structure, historical design and implementation, as well as its sociocultural impact and prevailing ideologies among scholars and users. Unlike many writing systems that evolved gradually, Hangul was deliberately engineered to structurally fit the Korean language while also considering ease of learning and national identity, thus addressing at once—and from its very inception—linguistic, cognitive, and sociocultural needs. On the one hand, Hangul’s structural uniqueness is evident in its ‘featurality’ and the syllabic arrangement of its graphemes, which also pose important questions about how the writing system is processed and how or whether this should affect its description. On the other hand, the strong influence of Chinese writing is also evident, reflecting a balance between innovation and tradition. Generally, sociocultural factors, including national pride and identity, play a critical role in Hangul’s prominence, with its celebration as a symbol of Korean heritage manifesting in cultural practices as well as academic discourse. The associated notion of ‘Hangul supremacy’ highlights an ideology that parallels but at the same time interestingly contrasts with Eurocentric ideologies such as the ‘Alphabet Effect’, whose claims of superiority apply only to other, i.e., ‘Western’, alphabets. Overall, this brief foray into exploring Hangul’s unique properties aims to highlight the complex interplay between functional and innovative design, historical influences, cultural significance, and ideological pride, offering a specific lens for valuable insights into open or pressing questions of description and explanation central to an emerging comparative grapholinguistics.