the.com/unfastened
The state of being one good tug away from total escape.
means No longer held shut, secured, or attached — buttons, belts, and bonds all loosened.
from From Old English fæstnian, to make fast or fix firmly, with the prefix un- doing its usual job of politely undoing everything.
Linguistic siblingsShares roots with fast, meaning firmly fixed.
Double negativeUn-fasten literally means not-make-firm.
Safety contextAviation's least favorite word mid-turbulence.