Invalidity and Lethargy

Invalidity noun - Illogicality as a consequence of having a conclusion that does not follow from the premisses.

Lethargy and invalidity are semantically related. In some cases you can use "Lethargy" instead a noun "Invalidity".

Nearby Words: invalidate, invalid, invalidated, invalidation

Lethargy noun - Physical or mental inertness.

Invalidity and lethargy are semantically related. Sometimes you can use "Invalidity" instead a noun "Lethargy".

Nearby Word: lethargic