ongegrond Learn Unstarted Summary The Dutch translation for “unfounded” is ongegrond. Examples of "unfounded" in use There are 2 examples of the Dutch word for "unfounded" being used: Recording English Dutch Learn His assertion is unfounded. Zijn bewering is ongegrond. Learn Berlusconi: conviction is completely unfounded Berlusconi: veroordeling is totaal ongegrond Learn Practice Lesson "unfounded" Practice (2) Lesson Learn Lesson words unfounded etc. View all lesson words Lesson phrases Berlusconi: conviction is completely unfounded etc. View all lesson phrases Themed Courses Miscellaneous 312 Part of Speech Courses Verbs (all parts) 70