This is the 3090th most frequent Dutch word.
demonstratief
Demonstrative or expressive of emotions or intentions.
In this sentence, 'demonstratief' is used as an adverb to describe the manner in which the subject raised his hand, implying it was done intentionally to attract attention or make a point.
Hij stak demonstratief zijn hand op.
He raised his hand demonstratively.
Here, 'demonstratief' is used as an adjective to describe the characteristic of the speaker's demeanor, indicating an expressive or illustrative style.
De demonstratieve houding van de spreker maakte de toespraak boeiend.
The demonstrative demeanor of the speaker made the speech engaging.
In this example, 'demonstratief' characterizes the way the subject used her phone, suggesting it was done in a noticeable manner to convey a message or emotion.