nonjoinder
Non*join"der, n. (Law) Defn: The omission of some person who ought to have been made a plaintiff or defendant in a suit, or of some cause of action which ought to be joined.
Non*join"der, n. (Law) Defn: The omission of some person who ought to have been made a plaintiff or defendant in a suit, or of some cause of action which ought to be joined.