onerous /onˈə-rəs or ōˈnə-rəs/

1. Burdensome
2. Oppressive

onˈerously adverb

• ophiuras
• ophiurid
• Ophiuridae
• ophiurids
• ophiuroid
• Ophiuroidea
• ophiuroids
• ophthalm-
• ophthalmia
• ophthalmias
• ophthalmic
• ophthalmic optician
• ophthalmist
• ophthalmists
• ophthalmitis
• ophthalmitises
• ophthalmo-
• ophthalmological
• ophthalmologies
• ophthalmologist
• ophthalmologists
• ophthalmology
• ophthalmometer
• ophthalmometers
• ophthalmometry