This is the 63rd most frequent Dutch word.
met
"With"
Here, 'met' signifies accompaniment, showing that the speaker is joined by their friend.
Ik ga met mijn vriend naar de bioscoop.
I am going to the cinema with my friend.
In this context, 'met' expresses the means or instrument with which an action is performed—the spoon used to eat.
De soep wordt met een lepel gegeten.
The soup is eaten with a spoon.
Here, 'met' is used to describe the manner or quality with which the subject (he) performed the action (spoke).