反义词是unforeseen,表示不可预料的,例如:
1、For protection against unforeseen emergencies, you insure your house, your furnishings and your car.为了防范不可预见的紧急情况,人们给房子、家具和汽车上保险。
2、With the use and population of IPv6, there would be new and unforeseen security problems.并且随着IPv6的使用和普及会出现新的不可预见的安全问题。