"unbolted" in the verb sense
1. unbolt
undo the bolt of
"unbolt the door"
"unbolted" 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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