Ambiguous Loss
entry by Julie M. Marx, Global Family Expert at Expat Valley
A form of loss that lacks the clarity and social recognition associated with death or clear separation, leaving individuals in a state of unresolved grief. In international living contexts, it applies to the recurring losses of community, friendships, familiar environments, and previous versions of self that relocation entails, as well as to transnational family separation.
Comparable terms
Unresolved grief (counseling, TCK literature — overlapping; used by Pollock & Van Reken specifically for grief unaddressed through repeated moves) · Disenfranchised grief (clinical — grief that lacks social validation; related but distinct) · Hidden grief (community usage) · Non-finite loss (clinical — ongoing, incomplete losses; related concept)
Why this matters
Global families live with many ambiguous losses: people who are far but still “there,” places they can’t return to, roles that vanished. Because these losses are rarely named, grief can stall. Having this concept validates their experience and guides healing.
Cross-references
Anticipatory Grief (Wellbeing & Mental Health); Cumulative Loss (Wellbeing & Mental Health); Meaning-Making (Wellbeing & Mental Health); TCK (Identity & Belonging); Left-Behind Parent (Family Dynamics). Anticipatory grief and ambiguous loss frequently co-occur in internationally mobile contexts — one anticipates future loss while simultaneously carrying unresolved previous ones. Cumulative loss describes the pattern in which ambiguous losses accumulate across a mobile life without adequate processing. Meaning-making is the therapeutic response Boss herself identifies as the primary route through ambiguous loss; TCK documents the population in which ambiguous loss arising from repeated relocation is most structurally embedded. The left-behind parent entry describes one of the most acute contexts in which ambiguous loss (the ongoing presence-absence of a geographically separated partner) is experienced.
Sources
Pauline Boss coined the term ambiguous loss in the 1970s to describe losses that are unclear or unconfirmed, identifying two types: physical absence with psychological presence, and psychological absence with physical presence.
Boss, P. (1999). Ambiguous Loss: Learning to Live with Unresolved Grief. Harvard University Press.
Boss has connected ambiguous loss explicitly to immigration and mobility, noting that cultures often fail to acknowledge the grief and homesickness that accompany even voluntary relocation.
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