Not seemly (10)
I believe the answer is:
unbecoming
(Other definitions for unbecoming that I've seen before include "Not flattering; unseemly" , "Improper" , "failing to develop?" , "Indelicate" , "indecorous" .)
I believe the answer is:
unbecoming
(Other definitions for unbecoming that I've seen before include "Not flattering; unseemly" , "Improper" , "failing to develop?" , "Indelicate" , "indecorous" .)