unbolted

/ʌnˈboʊltɪd/
adjective
  1. Not fastened or secured with a bolt; unlocked.
    • He checked that all the windows were unbolted before the escape drill.
    • The back door was unbolted, so anyone could have walked in.
    • The unbolted gate swung open in the wind.
Synonyms
Antonyms
verb
  1. Past tense of unbolt: opened or released by sliding back a bolt.
    • They unbolted the fence panel to create a wider entrance.
    • She unbolted the heavy iron door and stepped outside.
    • The mechanic unbolted the engine cover to inspect the parts.