Antonyms of verb button

1 of 2 senses of button

Sense 2
button -- (fasten with buttons; "button the dress")
       Antonym of unbutton (Sense 1)
      => unbutton -- (undo the buttons of; "unbutton the shirt")

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

2 senses of button

Sense 1
button -- (provide with buttons; "button a shirt")
       => add -- (make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of; "We added two students to that dorm room"; "She added a personal note to her letter"; "Add insult to injury"; "Add some extra plates to the dinner table")

Sense 2
button -- (fasten with buttons; "button the dress")
       => fasten, fix, secure -- (cause to be firmly attached; "fasten the lock onto the door"; "she fixed her gaze on the man")

Antonyms of adj buttoned

1 sense of buttoned

Sense 1
buttoned (vs. unbuttoned), fastened -- (furnished or closed with buttons or something buttonlike)

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")

Similarity of adj buttoned

1 sense of buttoned

Sense 1
buttoned (vs. unbuttoned), fastened -- (furnished or closed with buttons or something buttonlike)
       => botonee, botonnee -- ((of a heraldic cross) having a cluster of three buttons or knobs at the end of each arm)
       => button-down -- (of a shirt; having the ends of the collar fastened down by buttons; "Brooks Brothers button-down shirts")