"unbarred" in the verb sense
1. unbar
remove a bar from (a door)
"unbarred" in the adjective sense
1. unbarred, unbolted, unlatched, unlocked, unsecured
not firmly fastened or secured
"an unbarred door"
"went through the unlatched gate into the street"
"an unlocked room"
Source: WordNet® (An amazing lexical database of English)
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