Inadequate and Invalid

Inadequate adjective - Not coming up to an expected measure or meeting a particular need.

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

Nearby Words: inadequacy, inadequately

Invalid adjective - Chronically or repeatedly suffering from poor health.

Inadequate and invalid are semantically related in property topic. Sometimes you can use "Inadequate" instead an adjective "Invalid", if it concerns topics such as false.

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