This is the 7754th most frequent Dutch word.
dichtgehouden
"Kept closed" or "kept shut."
The word 'dichtgehouden' is used here to describe the act of keeping something (feelings) private or undisclosed.
Zij heeft haar gevoelens altijd dichtgehouden.
She has always kept her feelings close.
In this case, 'dichtgehouden' means physically keeping something (the book) in a closed state.
Het boek werd met moeite dichtgehouden door de wind.
The book was held closed with difficulty due to the wind.
Here, 'dichtgehouden' refers to maintaining confidentiality or secrecy regarding information.