Word Study
    
                                	invalidation |
                                	invalidator |
                                	invalide |
                                	invalidism |
                                	invalidity |
                                invalidness
                                	| invalorous 
                                	| invaluable 
                                	| invaluableness 
                                	| invaluably 
                                	| invalued 
                            
        invalidness
WORDNET DICTIONARY
Noun invalidness has 1 sense
- invalidness(n = noun.attribute) invalidity - illogicality as a consequence of having a conclusion that does not follow from the premisses; Array is a kind of illogic, illogicality, illogicalness, inconsequence
has particulars: fallaciousness
Derived form adjective invalid1
            For further exploring for "invalidness" in Webster Dictionary Online
        


 
    
 
