from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To free from a condition of adhesion: couldn't unstick the window.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To free something from the condition of being stuck (mechanically, emotionally, or with adhesive)
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To release, as one thing stuck to another.
from The Century Dictionary and Cyclopedia
- To free, as one thing stuck to another; loose.
Sorry, no etymologies found.