This is the 2870th most frequent Dutch word.
zulke
"Zulke" means "such" or "such as."
Here, 'zulke' is used to mean 'such' referring to the type or quality of the flowers.
Ik heb nog nooit zulke mooie bloemen gezien.
I have never seen such beautiful flowers.
'Zulke' in this sentence specifies 'such' referring to the kind of words being inappropriate.
Zulke woorden zijn niet gepast in deze conversatie.
Such words are not appropriate in this conversation.
'Zulke' describes 'such things,' emphasizing the type or nature of the thoughts.