反义词是realistic,表示现实的、实际的,例如:
1.It's only realistic to acknowledge that something, some time, will go wrong.只有承认有些事情在某些时候会出问题才是现实的。
2.Establish deadlines that are more realistic.确定更加现实的最后期限。
3.To make the training realistic the simulation operates in real time.为使训练真实,模拟是实时运行的。
unrealistic , idealistic , fanciful , impractical这几个都是