Big Huge Thesaurus

onerous

adjective

• burdensome
• taxing

similar terms

• heavy

sounds kind of like

• one-horse
• oneiric
• onrush

rhymes with

• adulterous
• adventurous
• amorous
• avarice
• barbarous
• boisterous
• cancerous
• cantankerous
• carboniferous
• carnivorous
• coniferous
• dangerous
• decorous
• fossiliferous
• generous
• glamorous
• herbivorous
• heterosporous
• homosporous
• humerus
• humorous
• insectivorous
• lazarus
• lecherous
• murderous
• numerous
• odorous
• omnivorous
• overgenerous
• oviparous
• ovoviviparous
• phosphorous
• phosphorus
• ponderous
• precancerous
• preposterous
• prosperous
• rancorous
• rapturous
• rhinoceros
• rigorous
• slanderous
• sonorous
• thunderous
• timorous
• traitorous
• treacherous
• unglamorous
• uterus
• vigorous
• viviparous
• vociferous