unbuttoned

== English == === Pronunciation === IPA(key): /ʌnˈbʌtənd/ === Etymology 1 === ==== Verb ==== unbuttoned simple past and past participle of unbutton === Etymology 2 === From un- +‎ buttoned. In some instances possibly from unbutton. ==== Adjective ==== unbuttoned (comparative more unbuttoned, superlative most unbuttoned) Having the buttons undone. In disarray. (Can we add an example for this sense?) Informal, casual. ===== Antonyms ===== buttoned-up === References ===