Search Result for "unbutton": 
Wordnet 3.0

VERB (1)

1. undo the buttons of;
- Example: "unbutton the shirt"



The Collaborative International Dictionary of English v.0.48:

Unbutton \Un*but"ton\, v. t. [1st pref. un- + button.]
   To loose the buttons of; to unfasten.
   [1913 Webster]


WordNet (r) 3.0 (2006):

unbutton
    v 1: undo the buttons of; "unbutton the shirt" [ant: button]