Délier belong to the 1
st group. Délier is a common french verb.
Délier is conjugated the same way that verbs that end in :
-ier
Délier is conjugated with
auxiliary avoir.
Délier verb is
direct transitive.
French verb délier can be conjugated in the reflexive form:
Se délier
Délier verb is a direct transitive verb, so passive voice can be used.