(philately) (of a stamp) Not having ever been mounted using a stamp hinge.
Civil war was raging in France, and Clement became an ardent partisan of the League; his mind appears to have become unhinged by religious fanaticism, and he talked of exterminating the heretics, and formed a plan to kill Henry III.
Memon, obsessed with the writhing creature, unhinged his jaw and swallowed it slowly, his eyes closed.
In this bedlam no shots were fired and no punches were thrown, but New Orleans seemed like a city unhinged.
unhinged characters really rally against corporate middle-American, giving voice to some strong political views on globalization and suburban development.
unhinged jaws mean they can gobble prey much larger than themselves.