Usages of vriendelijk
Onze vriendin is heel vriendelijk.
Our (female) friend is very friendly.
Ja, ik heb met hem gesproken en hij is heel vriendelijk.
Yes, I have spoken with him and he is very friendly.
De ander is vriendelijk.
The other is friendly.
Elon.io is an online learning platform
We have an entire course teaching Dutch grammar and vocabulary.