invencible (a) (general) | imbattibile (a) (general) |
invencible (a) (problema) | irriducibile (a) (problema) |
invencible (a) (problema) | insuperabile (a) (problema) |
invencible (a) (general) | invincibile (a) (general) |
invencible (a) (problema) | insormontabile (a) (problema) |