v.

loosen something by unscrewing it

"unscrew the outlet plate"

loosen by turning

"unscrew the bottle cap"

MILLION-DOLLAR IDEA: A Water Bottle That Unscrews In The Middle So You Can Easily Wash Both Halves
The Saucy Sisters Guide to Wine - What Every Girl Should Know Before She Unscrews
Black and red pepper pot with perforated top (red section); unscrews to refill - from the The Betty Smithers Design Collection at St...
Lovi Poe Unscrews Hinges of Private Life's Door
Binoviewer unscrews (when slewing scope)
Automatic; adjustable size and positioning; clamping mechanisum; unscrews with less force; sampling without contamination
GSD&M IDEA CITY "UNSCREWS AMERICA"
As Blair Unscrews the Light Bulbs,it's Gordon Who Has to Clear Up the Mess
Activision Unscrews Valve
Facebook Tries Yet Again to Un-Screw-Up the News Feed