Words That Rhyme With "Assiduously" :
3 syllables:
gibbously, viciously, villously
4 syllables:
ambitiously, auspiciously, capriciously, factitiously, fictitiously, flagitiously, judiciously, litigiously, maliciously, officiously, perniciously, prodigiously, propitiously, religiously, seditiously, suspiciously
5 syllables:
adscititiously, adventitiously, avariciously, expeditiously, inauspiciously, injudiciously, irreligiously, obreptitiously, sacrilegiously, superstitiously, surreptitiously, unpropitiously, unreligiously