unsmiling
un-smil-ing
adjective
Not smiling; having a serious, stern, or disapproving expression.
"The unsmiling teacher looked at the noisy class."
Thesaurus
Synonyms: joyless
un-smil-ing
Not smiling; having a serious, stern, or disapproving expression.
"The unsmiling teacher looked at the noisy class."
Synonyms: joyless