This is the 7198th most frequent Dutch word.
belangrijkst
Most important.
Here, 'belangrijkst' is used as a superlative adjective indicating the highest degree of importance.
Het gezin is het belangrijkst in mijn leven.
Family is the most important in my life.
In this sentence, 'belangrijkst' is used to compare multiple items, identifying the one of highest importance.
Van deze taken is de eerste het belangrijkst.
Out of these tasks, the first one is the most important.
Here, 'belangrijkst' is used in a general statement about a principle or value, emphasizing its paramount importance.