Words That Rhyme With "Splendiferously" :
4 syllables:
rigorously, timorously, vigorously, viscerally
5 syllables:
carnivorously, fissiparously, fructiferously, omnivorously, oviparously, peripherally, pestiferously, somniferously, vociferously
6 syllables:
odoriferously, stoloniferously