本文提出「未聞之痛」（unheardalgia）這一概念來指稱一種特殊形式的痛苦：當言語在場發聲時，卻未被真心接納為有意義的，從而這種痛苦便會出現。本文反對將此類經驗化約詮釋為溝通不良或主觀的過度敏感，並主張「未聞之痛」揭示了在對話中，甚至更為根本的——在互為主體的世界性構造中的一種結構性斷裂。本文藉助於胡塞爾現象學來區分作為一個知覺事件的「聽見」，以及作為一種有意朝向他者開放的「傾聽」，並指出言說是一種具身活動，即意識藉此能在其活生生的身體（Leib）中自我展露，並在共享世界裡尋求承認。當未能獲得承認時，所造成的創傷不僅影響溝通，更動搖了對他者而言說話者之為人的地位。接著，本文引入雅斯培（ Karl Jaspers ）與西蒙‧韋伊（Simone Weil）的思想，探討反覆遭遇傾聽失敗所帶來的實存性後果。文中指出一種體現在「築防之人」（Homo muniens）身上的防衛性軌跡，其特徵為透過象徵性的盔甲和話語的過度生產來保護自身免於受傷，卻同時阻礙了真正的相遇。與此相對的是「承痛之人」（Homo patiens），此一姿態在接受脆弱性的同時，卻不讓痛苦成為身分認同的決定性因素。在這些分析基礎上，本文提出「對話倫理」（dialogethics）作為一種非規範性、情境化的倫理取向，它奠基在專注的傾聽、情境的覺察，以及對於轉化的開放性。比起推行理想化溝通模式，對話倫理會依據任何關係與制度是否有能力將各種聲音接納為具身主體性的表達來予以評價。因此，「未聞之痛」不僅可以視為一種現象學概念，也可以視為當代對話實踐的一種批判性診斷。

This article introduces the concept of unheardalgia to designate a specific form of suffering that emerges when speech is acoustically registered but not genuinely received as meaningful. Against reductive interpretations that frame such experiences as communicative inefficiency or subjective hypersensitivity, the paper argues that unheardalgia reveals a structural fracture in dialogue and, more fundamentally, in the constitution of intersubjective worldliness. Drawing on Husserlian phenomenology, the analysis distinguishes between hearing as a perceptual event and listening as an intentional openness to the other, showing that speech is an embodied act through which consciousness exposes itself in the lived body (Leib) and seeks recognition within a shared world. When this recognition fails, the wound affects not only communication but the speaker’s status as a person for others. The discussion then engages Karl Jaspers and Simone Weil to examine the existential consequences of repeated failed listening. It identifies a defensive trajectory, embodied in Homo muniens, characterized by symbolic armor and discursive overproduction that protects against pain while obstructing encounter. This is contrasted with Homo patiens,a posture that accepts vulnerability without allowing suffering to become definitive of identity. Building on these analyses, the paper proposes dialogethics as a non-prescriptive, situated ethical approach grounded in attentive listening, contextual awareness, and openness to transformation. Rather than imposing ideal communicative models, dialogethics evaluates relationships and institutions according to their capacity to receive voices as expressions of embodied subjectivity. Unheardalgia thus functions both as a phenomenological concept and as a critical diagnostic for contemporary dialogical practices.