Bedeutung von “open” — Learner’s Dictionary

open

noun us uk /ˈəʊpən/
in the open

outside:

We spent the night in the open.
bring sth out into the open

to tell people information that was secret:

[ often passive ] It's time this issue was brought out into the open.

(Definition von “open noun” aus dem Cambridge Learner's Dictionary © Cambridge University Press)