Words That Rhyme With "Laborious" :
3 syllables:
aureus, Boreas, curious, furious, glorious, spurious
4 syllables:
arboreous, censorious, Honorius, incurious, inglorious, injurious, Nestorius, notorious, sulfureous, uproarious, usurious, vainglorious, victorious
5 syllables:
accessorius, meritorious, overcurious