Words That Rhyme With "Dubious" :

3 syllables:

beauteous, gluteus, luteous, Mobius, pluteus, rubious, scabious, studious

4 syllables:

amphibious, Eusebius, indubious, lugubrious, marsupials, Polybius, salubrious, triphibious

5 syllables:

insalubrious