This is the 554th most frequent German word.
stolz
Proud.
In this sentence, 'stolz' is used as an adjective to express pride in someone.
Ich bin stolz auf dich.
I am proud of you.
Here, 'stolz' is used as a noun, referring to someone's sense of pride or self-respect.
Sein stolz war sichtbar in seinem Lächeln.
His pride was visible in his smile.
'Stolz' is used as an adverb to describe the manner in which she highlighted her accomplishment.