IJSP Number 8, 2026

International Journal of Supervision in Psychotherapy, Number 8, 2026 Page | 72 competency-based standards [11], dialectical thinking [2], and awareness of institutional contexts [22], supervision safeguards radical psychotherapy from both reductionism and dogmatism. If radical psychotherapy aims to restore agency and dignity in clients living within complex power structures, supervision ensures that therapists do not unconsciously reproduce those structures. It provides a disciplined space for examining authority, countertransference, ideology, and institutional pressure. In doing so, supervision transforms radical psychotherapy from a rhetorical commitment into a sustainable, accountable clinical orientation suited for the ethical demands of 21st-century mental health practice. 2. WHAT IS RADICAL PSYCHOTHERAPY? DEFINING A “FAMILY” OF PRACTICES Radical psychotherapy is best approached as an orientation rather than a bounded school. It is a family resemblance concept : different traditions, methods, and theoretical languages converge around a shared commitment to treat psychological suffering as inseparable from the conditions in which subjectivity is formed, conditions shaped by power, culture, institutions, and material realities. The term radical is often misunderstood as “extreme,” yet historically and philosophically it points to something more precise: a return to roots ( radix ), to the generative sources of distress, meaning, and constraint. Radical psychotherapy is therefore not a call for ideological purity, but an invitation to clinical depth, depth that includes intrapsychic complexity and socio-structural determinants. This chapter consolidates that idea in three moves. First, it provides an operational definition that clarifies why “radical” is not a technique but a stance. Second, it traces conceptual lineages, critical, feminist, anti-oppressive, community-based, trauma-informed, narrative, existential, and radical-relational strands, that make the field legible as a coherent family rather than a scattered set of political claims. Third, it articulates three foundational premises that unify radical practice across differences: (a) distress has psychological and socio-structural causes, (b) healing includes agency and dignity, and (c) the therapeutic relationship becomes a site where power can be made visible, named, and ethically negotiated. 2.1 OPERATIONAL DEFINITION: AN ORIENTATION, NOT A SINGLE SCHOOL A useful operational definition must do two things at once: preserve conceptual clarity and avoid reducing radical psychotherapy to a partisan slogan. Early efforts to articulate “the status and tasks of radical therapy” emphasized that radical approaches aim not merely to relieve symptoms but to clarify how personal suffering is intertwined with social arrangements, and to translate that insight into a method of intervention and consciousness [13]. This remains a core clinical intuition: many forms of suffering become chronic because the client is repeatedly required to adapt to conditions that constrain agency, recognition, safety, and belonging. From this standpoint, radical psychotherapy can be defined as: A clinically integrative, ethically explicit orientation that interprets distress through the joint lens of intrapsychic life and socio-structural power, and that treats healing as involving both symptom relief and the restoration of agency, dignity, and relational freedom.