I. ˈmisē, -si noun
( -es )
Etymology: miss (III) + -y (n. suffix)
: a young girl : miss
the pious little missy , stiff as a board — Irving Howe
II. adjective
Etymology: miss (III) + -y (adjective suffix)
: relating to, resembling, or characteristic of a young girl
despite her attempt to seem grown-up, she has a missy primness of manner
III. abbreviation
missionary