Invalid and Off-the-wall

Invalid adjective - Chronically or repeatedly suffering from poor health.

Off-the-wall and invalid are semantically related In some cases you can use "Off-the-wall" instead an adjective "Invalid".

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

Off-the-wall adjective - Different from the ordinary in a way that causes curiosity or suspicion.

Invalid and off-the-wall are semantically related in illogical topic. Sometimes you can use "Invalid" instead an adjective phrase "Off-the-wall".