Found 2 items, similar to invalidness.
English → English (WordNet)
Definition: invalidness
invalidness
n : illogicality as a consequence of having a conclusion that
does not follow from the premisses [syn:
invalidity]
English → English (gcide)
Definition: Invalidness
Invalidness
\In*val"id*ness\, n.
Invalidity; as, the invalidness of reasoning.
[1913 Webster]