inimical ih-NIM-ih-kul (adjective) – 1 : Having the disposition or temper of an enemy; unfriendly; unfavorable. 2 : Opposed in tendency, influence, or effects; antagonistic; adverse.
“The gods did not care — or rather, were inimical. Beyond question, they were inimical to him.” —, ‘Litany of the Long Sun’
nimical comes from Late Latin inimicalis, from Latin inimicus, unfriendly, adverse, hostile, from in-, not + amicus, friendly, well-wishing, favorable to, from amare, to love.