s, a, d, e, l, n, i, v are letters that make 'invalidness'
lid, validness, id, VA, Ali, SS, invalid, valid, li, in, AL, ID, IN, NE, NV, ness, Vali, Al, Es, In, Li, Ne are words within 'invalidness'
1 possible definitions for 'invalidness'
Under this definition, invalidness is a noun and has the following properties:
invalidity has the same meaning as invalidness
'invalidness' can be a type of illogicality, illogicalness, illogic, inconsequence.
fallaciousness is a type of invalidness.
invalid is a derivative of invalidness.