1. people who treat serious matters as unimportant or who waste time on trivial things
Usage: plural of trifler

Examples

• The teacher had no patience for triflers who disrupted class with silly jokes.
• Don’t be triflers when it comes to your education.
• The manager dismissed the triflers who spent all day gossiping instead of working.
• She considered them mere triflers who couldn’t focus on important tasks.
• The coach warned that triflers wouldn’t make the team.
• These triflers waste everyone’s time with their constant chatter.