unfastened

Verb

• cause to become undone
• become undone or untied
  • "The shoelaces unfastened"
• past participle of unfasten

Adjective

• not closed or secured
  • "the car door was unfastened"
  • "unfastened seatbelts"
• affording unobstructed entrance and exit; not shut or closed
• not buttoned
• not tied

Adj

• Not fastened.

Synonyms

open, unbuttoned, unfasten, untied, free, loose

Antonyms

buttoned, fasten, fastened, shut, tied