unsafety noun 1verb 1forms 3 noun1 •Lack of safety; insecurity.This sense of unsafety and instability is at the heart of the books. — 2013 verb1 •To remove the safety on a device, such as a weapon.Nathan had been lying; he'd never unsafetied the rifle. — 2010 formsunsafetied · unsafetying · unsafeties