If you describe someone as idealistic, you mean that they have ideals, and base their behaviour on these ideals, even though this may be impractical.
近义词
optimistic , impractical
反义词
realistic , pessimistic , cynical
双语例句
例： Idealistic young people died for the cause.
理想主义的年轻人为这项事业而献身。
例： an over-simplistic and idealistic vision of family dynamics.
一种对家庭动力学的过于简单和理想主义的看法。