Unbreakable door Synonyms

Unbreakable replaced

impenetrable door

Definitions for Unbreakable

(adjective) impossible to break especially under ordinary usage

UD abbreviation

UD is an abbreviation for Unbreakable Door

What does UD stand for?

UD stands for "Unbreakable Door"

Door replaced

unbreakable key

unbreakable opening

Definitions for Door

(noun) a barrier by which an entry is closed and opened
(noun) the opening through which one can enter or leave a structure
(noun) the means or right of entering or participating in