This is the 640th most frequent Norwegian word.
fullstendig
Complete; entire; total.
Here, 'fullstendig' is used as an adverb to modify the verb 'forstår', expressing that the understanding is complete and thorough.
Jeg forstår deg fullstendig.
I understand you completely.
In this sentence, 'fullstendig' is used as an adjective modifying the noun 'suksess', suggesting the success was absolute and without reservation.
Resultatet var en fullstendig suksess.
The result was a complete success.
Here, 'fullstendig' functions as an adverb modifying the verb 'ignorerte', emphasizing the thoroughness of ignoring them.