Definify.com
Webster 1913 Edition
Unstick
Un-stick′
,Verb.
T.
[1st pref.
un-
+ stick
.] To release, as one thing stuck to another.
Richardson.
Definition 2024
unstick
unstick
English
Verb
unstick (third-person singular simple present unsticks, present participle unsticking, simple past and past participle unstuck)