ἀνυπαναγκαῖος

From LSJ

ὑπὸ δὲ οἴστρου ἀεὶ ἑλκομένη ψυχή → a soul always dragged along by the fury of passion

Source

Spanish (DGE)

-α, -ον
que no es hecho a la fuerza, voluntario ὑποθήκη BGU 741.37 (II a.C.).