Invalid and Outpatient

Invalid noun - Someone who is incapacitated by a chronic illness or injury.

Outpatient and invalid are semantically related In some cases you can use "Outpatient" instead a noun "Invalid".

Nearby Words: invalidate, invalidated, invalidity, invalided, invalidation

Outpatient noun - A patient who does not reside in the hospital where he is being treated.

Invalid and outpatient are semantically related in person being treated for medical problem topic. You can use "Invalid" instead a noun "Outpatient".