From King Dictionary of Contemporary Englishunsmilingun‧smil‧ing /ʌnˈsmaɪlɪŋ/ adjective literary looking serious and unfriendly an unsmiling face
Examples from the Corpus
unsmilingShe stared at the camera, stiff and unsmiling.He tells this story three years later, unsmiling.Outside the city we passed by a refugee camp where white-faced, unsmiling boys and girls gazed at us through the railings.It was answered promptly by an unsmiling Ernestine.Sitting bolt upright in the trap, she would nod at everyone she passed with her proud unsmiling face.He looked as mean as ever, a pallid, unsmiling figure in black-suede jacket and very shiny black shoes.Stacy is a small, thin, unsmiling freshman.Karen is pumping away, unsmiling, just beginning to break a sweat.