serieus
Look up any Dutch word — plurals, conjugated verbs, and comparatives all resolve to the right entry
adjectivea2
Translation
serious
Pronunciation: seh-ree-uhs
Example
Hij is altijd serieus tijdens vergaderingen.
He is always serious during meetings.
Comparative
serieuzer
Superlative
serieust
adverba2
Translation
seriously
Pronunciation: se-ri-oos
Example
Hij nam de situatie serieus.
He took the situation seriously.