1. a harmful or unhelpful action; something that causes damage or disadvantage

Examples

• The misleading article did a disservice to the scientific community.
• By not preparing students for the real world, the school does them a disservice.
• His harsh criticism was a disservice to the young artist’s confidence.
• The incomplete report did a disservice to the investigation.
• Spreading rumors about her colleague was a real disservice.
• The biased documentary did a disservice to historical accuracy.