Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun unfastener

1 sense of unfastener

Sense 1
undoer, opener, unfastener, untier -- (a person who unfastens or unwraps or opens; "children are talented undoers of their shoelaces")
       => person, individual, someone, somebody, mortal, soul -- (a human being; "there was too much for one person to do")