Definition of over-serious in English:

over-serious

Line breaks: over-serious

adjective

Excessively serious in character or mood: he struck some as solemn, aloof, and over-serious
More example sentences
  • He comes across as rather overserious and pretentious in a short Sundance Channel featurette on his trip to London to promote the film.
  • Twenty years old and the head of the family since their parents died, Darry is overworked and overserious.
  • As a boy who was overserious, solitary, weak and tempramental, there also seemed something rather uncomfortably personal about all of this.