Unbreakable opening Synonyms

Unbreakable replaced

stable opening

sound opening

Definitions for Unbreakable

(adjective) impossible to break especially under ordinary usage

UO abbreviation

UO is an abbreviation for Unbreakable Opening

What does UO stand for?

UO stands for "Unbreakable Opening"

Definitions for Opening

(noun) a favorable combination of circumstances , time, and place
(noun) a place in a surface allowing passage into or through a thing
(noun) an open space in a barrier (as a wall or hedge )