(In nomenclature) a name or epithet that may be effectively published but is not in accordance with Articles 32–45 (or for hybrids, H9) of the I.C.B.N.
In law, not binding, lacking in authority.
Someone who has had an illness and has not fully recovered from it or who has been permanently disabled.
A former term for a person who is not well; weak. Use of the term is archaic.