unfastened

(verb) cause to become undone. Synonyms: unfasten. Example: "Unfasten your belt."

(verb) become undone or untied. Synonyms: unfasten. Example: "The shoelaces unfastened."

(adj) not closed or secured. Synonyms: unfastened (vs. fastened). Examples: "The car door was unfastened." "Unfastened seatbelts."

(adj) affording unobstructed entrance and exit; not shut or closed. Synonyms: open (vs. shut). Examples: "An open door." "They left the door open."

(adj) not buttoned. Synonyms: unbuttoned (vs. buttoned). Example: "The wind picked up the hem of her unbuttoned coat."

(adj) not tied. Synonyms: untied (vs. tied).