1. in a way that is below normal standards or levels

Examples

• The patient’s heart rate was beating subnormally slow.
• Test scores in the district were subnormally low this year.
• The machine was performing subnormally due to a mechanical issue.
• His reflexes responded subnormally after the injury.
• The crops grew subnormally in the poor soil conditions.
• The student was functioning subnormally in mathematics.