Antonyms of verb unfasten

2 senses of unfasten

Sense 1
unfasten -- (cause to become undone; "unfasten your belt")
       Antonym of fasten (Sense 1)
      => fasten, fix, secure -- (cause to be firmly attached; "fasten the lock onto the door"; "she fixed her gaze on the man")

Sense 2
unfasten -- (become undone or untied; "The shoelaces unfastened")
       Antonym of fasten (Sense 2)
      => fasten -- (become fixed or fastened; "This dress fastens in the back")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb unfasten

2 senses of unfasten

Sense 1
unfasten -- (cause to become undone; "unfasten your belt")
       => undo -- (cancel, annul, or reverse an action or its effect; "I wish I could undo my actions")

Sense 2
unfasten -- (become undone or untied; "The shoelaces unfastened")
       => open, open up -- (become open; "The door opened")

Antonyms of adj unfastened

4 senses of unfastened

Sense 1
unfastened (vs. fastened) -- (not closed or secured; "the car door was unfastened"; "unfastened seatbelts")

fastened (vs. unfastened) -- (firmly closed or secured; "found the gate fastened"; "a fastened seatbelt")
        => pegged-down -- (fastened by pegs; "the pegged-down branches of the plant will take root")

Sense 2
open (vs. shut), unfastened -- (affording unobstructed entrance and exit; not shut or closed; "an open door"; "they left the door open")


Sense 3
unbuttoned (vs. buttoned), unfastened -- (not buttoned; "the wind picked up the hem of her unbuttoned coat")


Sense 4
untied (vs. tied), unfastened -- (not tied)


Similarity of adj unfastened

4 senses of unfastened

Sense 1
unfastened (vs. fastened) -- (not closed or secured; "the car door was unfastened"; "unfastened seatbelts")
       => unbarred, unbolted, unlatched, unlocked, unsecured -- (not firmly fastened or secured; "an unbarred door"; "went through the unlatched gate into the street"; "an unlocked room")
       => undone -- (not fastened or tied or secured; "her blouse had come undone at the neck"; "his shoelaces were undone")

Sense 2
open (vs. shut), unfastened -- (affording unobstructed entrance and exit; not shut or closed; "an open door"; "they left the door open")
       => ajar (predicate) -- (slightly open; "the door was ajar")
       => wide-open -- (open wide; "left the doors wide-open")
          Also See-> open#2

Sense 3
unbuttoned (vs. buttoned), unfastened -- (not buttoned; "the wind picked up the hem of her unbuttoned coat")
       => open-collared -- (of a shirt; not buttoned at the neck; "dressed casually in shorts and an open-collared shirt")

Sense 4
untied (vs. tied), unfastened -- (not tied)