What is Unserious?
Unserious definition and meaning on Dictionary terms:
of, showing, or characterized by deep thought.
of grave or somber disposition, character, or manner: a serious occasion; a serious man.
being in earnest; sincere; not trifling: His interest was serious.
requiring thought, concentration, or application: serious reading; a serious task.
weighty or important: a serious book; Marriage is a serious matter.
giving cause for apprehension; critical: The plan has one serious flaw.
Medicine/Medical. (of a patient’s condition) having unstable or otherwise abnormal vital signs and other unfavorable indicators, as loss of appetite and poor mobility: patient is acutely ill.
that which is of importance, grave, critical, or somber: You have to learn to separate the serious from the frivolous.