This is the 474th most frequent Norwegian word.
høyt
"High" or "loud."
In this sentence, 'høyt' is used as an adverb to describe the manner of the action (singing) and means 'loudly'.
Hun sang høyt på konserten.
She sang loudly at the concert.
In this example, 'høyt' is an adverb describing the spatial position reached by the action (lifting) and means 'high' or 'above'.
Han løftet koppen høyt over hodet.
He lifted the cup high above his head.
Here, 'høyt' functions as an adjective describing the height of the mountain, meaning 'high'.