Unsmiling

verb (used without object), smiled, smiling.
1.
to assume a facial expression indicating pleasure, favor, or amusement, but sometimes derision or scorn, characterized by an upturning of the corners of the mouth.
2.
to regard with favor:
Luck smiled on us that night.
3.
to have a pleasant or agreeable appearance or aspect, as natural scenes, objects, etc.:
The landscape smiled in the sunlight.
verb (used with object), smiled, smiling.
4.
to assume or give (a smile, especially of a given kind):
She smiled a warm and friendly smile.
5.
to express by a smile:
to smile approval.
6.
to bring, put, drive, etc., by or as by smiling:
to smile one’s tears away.
noun
7.
the act or an instance of smiling; a smiling expression of the face.
8.
favor or kindly regard:
fortune’s smile.
9.
a pleasant or agreeable appearance, look, or aspect.
Verb phrases
10.
smile at,

to regard with pleasure or amusement, as with a smile.
to regard with mild derision:
to smile at someone’s affectations.

adjective
1.
not wearing or assuming a smile; serious
noun
1.
a facial expression characterized by an upturning of the corners of the mouth, usually showing amusement, friendliness, etc, but sometimes scorn, etc
2.
favour or blessing: the smile of fortune
3.
an agreeable appearance
verb
4.
(intransitive) to wear or assume a smile
5.
(intransitive) foll by at

to look (at) with a kindly or amused expression
to look derisively (at) instead of being annoyed
to bear (troubles, etc) patiently

6.
(intransitive; foll by on or upon) to show approval; bestow a blessing
7.
(transitive) to express by means of a smile: she smiled a welcome
8.
(transitive) often foll by away. to drive away or change by smiling: smile away one’s tears
9.
come up smiling, to recover cheerfully from misfortune
smell to heaven
In addition to the idiom beginning with smile