This is the 612th most frequent Dutch word.
ernstig
Serious.
In this sentence, 'ernstig' is used to describe the gravity or seriousness of a situation.
De situatie is zeer ernstig.
The situation is very serious.
Here, 'ernstig' characterizes the tone or nature of the remark, implying sincerity or depth.
Hij maakt een ernstige opmerking.
He makes a serious remark.
In this context, 'ernstig' describes an outward appearance, specifically the demeanor or expression of a person.