Pronunciation: /ʌnˈsɪriəs/
adjective not serious or lacking seriousness; not showing serious intent or concern
A1 She is an unserious student who never pays attention in class.
A2 The comedian's unserious jokes always make the audience laugh.
B1 His unserious attitude towards his job is starting to affect his performance.
B2 The company's decision to hire an unserious candidate raised concerns among the staff.
C1 The professor criticized the student's unserious approach to research and academic work.
C2 The politician's unserious remarks during the debate were met with strong criticism from the public.
formal His unserious attitude towards work is affecting the productivity of the team.
informal Stop being so unserious all the time and focus on what needs to be done.
slang She's always acting unserious, it's starting to annoy me.
figurative His unserious approach to life is like walking a tightrope without a safety net.
unserioused
unseriouses
more unserious
most unserious
unserious
will be unserious
has been unserious
is being unserious
unserious
unserious
to be unserious
unseriousing
unserioused