ADJ-GRADED 天真的;易信的;不切实际的 If you say that someone is dewy-eyed, you are criticizing them because you think that they are unrealistic and think events and situations are better than they really are. 天真的;易信的;不切实际的 [disapproval]
I can never understand why people become dewy-eyed and sentimental about the past.