What is ambiguous loss?
Ambiguous loss is a loss that lacks clarity and closure: it is uncertain whether a loved one is truly gone or still present. A death, painful as it is, comes with certainty, rituals and recognized grieving. Ambiguous loss leaves people stuck with the question "Are they coming back? Are they already gone?", which can freeze grief. The concept was developed by family therapist Pauline Boss of the University of Minnesota.
- Theorist
- Pauline Boss (University of Minnesota)
- Starting point
- 1970s research with families of pilots missing in action in Vietnam
- Key books
- Ambiguous Loss (1999); Loss, Trauma, and Resilience (2006)
- Core idea
- The problem is the ambiguity of the situation, not a weakness of the person
Two types of ambiguous loss
| Type | Meaning | Examples |
|---|---|---|
| Physically absent, psychologically present | The person is gone but still held in mind as family | Missing persons, disasters with no remains, immigration, adoption, divorce, deployment |
| Physically present, psychologically absent | The person is there but no longer the same | Dementia, brain injury, addiction, severe depression |
Ambiguous loss in everyday American life
Boss’s ideas reached a wide audience after the September 11 attacks, when she worked with families whose loved ones were never found. Today the concept is widely used for families caring for someone with Alzheimer’s disease, military families coping with deployment, families of missing persons, and immigrants separated from relatives abroad. How a whole family adapts to loss is also explained by family systems theory and stress theory.
Why it is different from ordinary grief
People struggling with ambiguous loss are not weak or "stuck." Boss stresses that the inability to find closure is not your fault; it comes from the ambiguity of the situation itself.
Boss (2016) explains that ambiguous loss blocks the grieving process, confuses family roles and boundaries, and often goes unrecognized by others. There is no funeral, and well-meant advice to "move on" can feel like betrayal.
Six guidelines for resilience
Instead of seeking closure, Boss (2006) suggests six guidelines for living well with ambiguity:
- Finding meaning: Make sense of what the loss means for you and your family.
- Tempering mastery: Accept what you cannot control and focus on what you can.
- Reconstructing identity: Rethink questions like "Am I still a wife, or now a caregiver?"
- Normalizing ambivalence: Mixed feelings, such as love and resentment or hope and despair, are normal.
- Revising attachment: Practice "both/and" thinking: holding on and letting go at the same time.
- Discovering new hope: Gradually find new relationships and purpose.
Frequently asked questions
- What is ambiguous loss?
- It is a loss without clarity or closure, when it is unclear whether a loved one is gone or still present.
- What are examples of ambiguous loss?
- Missing persons and family separation are examples of physical absence; dementia and addiction are examples of psychological absence.
- How do you cope with ambiguous loss?
- Pauline Boss recommends building resilience rather than seeking closure, through finding meaning, accepting mixed feelings and "both/and" thinking.
References
- Boss, P. (1999). Ambiguous Loss: Learning to Live with Unresolved Grief. Cambridge, MA: Harvard University Press.
- Boss, P. (2006). Loss, Trauma, and Resilience: Therapeutic Work with Ambiguous Loss. New York: W. W. Norton.
- Boss, P. (2016). The context and process of theory development: The story of ambiguous loss. Journal of Family Theory & Review, 8(3), 269–286.