This is the 9919th most frequent German word.
offenen
"Offenen" is the dative or accusative plural form of "offen," meaning "open."
Here, 'offenen' describes the noun 'Feldern' (fields), indicating their 'open' characteristic.
Ich liebe es, in den offenen Feldern spazieren zu gehen.
I love walking in the open fields.
In this sentence, 'offenen' modifies 'Format', emphasizing the characteristic of being 'open' and accessible.
Die Diskussion fand in einem offenen Format statt.
The discussion took place in an open format.
Here, 'offenen' is used to describe 'Worte' (words), highlighting the frank and sincere nature of what was said.