non-consensual
/ˌnɒnkənˈsɛnsjʊəl/ /ˌnɒnkənˈsɛnsj(ʊ)l/ /ˌnɒnkənˈsɛnʃʊəl/adjective
Not involving or relating to consent; (Law, of a sexual act) lacking mutual consent.
Origin
1920s; earliest use found in Journal of Political Economy. From non- + consensual.