Verb
To fall out of a vessel.
Attach the buoys so they don't go overboard.
(intransitive, idiomatic) To go too far; to exceed reasonable bounds.
You can decorate the new room, but don't go overboard with surreal paintings.
Synonyms: get carried away, gild the lily
Approximately 80% of our air pollution stems from hydrocarbons released by vegetation, so let's not go overboard in setting and enforcing tough emission standards from man-made sources. Ronald Reagan
If somebody wants to have plastic surgery, more power to them. I think there's a point where you go overboard. Shannen Doherty
It's important to make a statement, but don't kill yourself over it. You have to make an effort, but not go overboard. Alexandra Roach
I typically go overboard when I research new projects. Will Wright
Every time I reform in one direction I go overboard in another. Mark Twain
We can't go overboard on what we've heard. It might be hard on the boy if he gets a lot of rave notices. The people might expect too much of him. I've had so many good reports on this boy, I'm anxious to get a look at him myself. Roberto Clemente