This is the 8643rd most frequent Russian word.
откровенный
Frank, candid, or open.
In this sentence, 'откровенный' is used to describe a person who is open and honest in expressing their thoughts, highlighting their frankness.
Он всегда был откровенным, никогда не скрывал своих мыслей.
He was always candid, never hiding his thoughts.
Here, 'откровенный' carries the meaning of something being explicit or too revealing, specifically in visual arts.
Эта картина выглядит слишком откровенной для выставки в музее.
This painting looks too explicit for an exhibition in a museum.
In this case, 'откровенный' is associated with an open and unreserved acknowledgment, showing authenticity and sincerity.