low-functioning

English

Etymology

From low +‎ functioning.

Adjective

low-functioning (comparative more low-functioning or lower-functioning, superlative most low-functioning or lowest-functioning)

1. Functioning or operating at a low level.
2. (psychology) Of a person with a developmental or intellectual disability or mental illness, unable to function in society; greatly affected by a disability or illness.
3. (psychology) Of a person with autism, exhibiting relatively low cognitive function.

Coordinate terms

• high-functioning