(a.) Repeating the same thing in different words; tautological.

abundant battological copious de trop diffuse diffusive dispensable duplicative echoic echoing effusive excess expendable expletive extravagant exuberant fecund formless gratuitous gushing gushy imitative in excess iterative needless nonessential overflowing parrotlike pleonastic prodigal productive profuse profusive prolific prolix recapitulative redundant reduplicative reechoing reiterant reiterative repeating repetitional repetitionary repetitious repetitive spare superabundant supererogatory superfluous tautologic tautological teeming to spare uncalled-for unessential unnecessary unneeded verbose