This is the 2264th most frequent Dutch word.
overtuigd
Convinced.
Here, 'overtuigd' derives from 'overtuigen' (to convince) and functions as a predicate adjective meaning 'convinced'.
Ik ben overtuigd van zijn eerlijkheid.
I am convinced of his honesty.
In this sentence, 'overtuigd' is used as a past participle indicating the state of being convinced due to the preceding actions.
Hij sprak zo overtuigend dat iedereen overtuigd raakte.
He spoke so convincingly that everyone became convinced.
Here, 'overtuigd' acts as a predicate adjective describing her firm belief or conviction.