1. Incapable of being retracted or revoked
   - irrevocable

See also: sealed

• overladen
• overland
• overlap
• overlapping
• overlarge
• overlay
• overlayer
• overleaf
• overleap
• overlie
• overlip
• overload
• overloaded
• overlong
• metalhead
• metalise
• metalize
• metalled road
• metallic
• metallic bond
• metallic element
• metallic-colored
• metallic-coloured
• metallic-looking
• metalliferous