roseate \ROH-zee-it; -ayt\, adjective: 1. Overly optimistic; bright or cheerful. 2. Resembling a rose especially in color. That roseate view was shattered when the North last week detained a South Korean housewife, on a Kumkang tour with her six-year-old son, on a bizarre pretext. -- Donald Kirk,... Sign in to see full entry.