My best friends can be quite subnormal at times.

Subnormal intelligence refers to an IQ score that falls below the average range, typically below 70. People with subnormal intelligence may have difficulties with learning, problem-solving, and adaptive functioning compared to the general population. It is important to provide appropriate support and accommodations to help individuals with subnormal intelligence thrive.

Subnormal means below normal.

The cast of Actividad subnormal - 2010 includes: Vic Cicuta Ramon Cordero Leandro De la Torre Ezequiel Hansen

A subnormal temperature reading typically refers to a body temperature lower than the normal range of 97.8°F to 99.1°F (36.5°C to 37.3°C). This can indicate hypothermia or other underlying health conditions. It is important to seek medical attention if you consistently have subnormal temperature readings.