Invalid and Senescent

Invalid adjective - Chronically or repeatedly suffering from poor health.

Senescent and invalid are semantically related. In some cases you can use "Senescent" instead an adjective "Invalid".

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

Senescent adjective - Being of advanced years and especially past middle age.

Invalid and senescent are semantically related. Sometimes you can use "Invalid" instead an adjective "Senescent".

Nearby Word: senescence