noun
- a person who behaves in a frivolous manner; someone who is not serious or thoughtful
Usage: informal; somewhat dated
Examples
- She dismissed him as a frivoller who never took anything seriously.
- The frivoller spent all his time on parties and gossip instead of his studies.
- Don't be such a frivoller—we have important work to do.
- He was known as a frivoller in his youth, but matured considerably over time.