Meanings of so understated in English

Often it was so understated that I barely caught what they said.

As York puts it: It's so understated as to be unremarkable.

They're so understated, though, that you can easily miss them.

This, their second album, is so understated you almost expect it to apologise for disturbing the peace.

Overall it's a sleek design that's so understated it's almost a little plain in the frosted midnight black colour.

The voyeuristic film is so understated that if we didn't know Paul was having an affair, the action on-screen would have little resonance.

It was so understated that the management didn't display a name of any kind, and the lobby looked like a fashionably appointed Victorian living room.