adjective
- serious and thoughtful; not trivial or lighthearted
Usage: formal
Examples
- The professor maintained an unfrivolous demeanor during the lecture.
- Her unfrivolous approach to the project impressed her colleagues.
- The committee took an unfrivolous stance on the budget proposal.
- His unfrivolous nature made him well-suited for the diplomatic role.
- The documentary presented an unfrivolous examination of climate change.
- She gave an unfrivolous response to the journalist’s question.