onerous /onˈə-rəs or ōˈnə-rəs/

1. Burdensome
2. Oppressive

onˈerously adverb

onˈerousness noun

• castigatory
• Castile soap
• Castilian
• casting
• casting couch
• casting couches
• casting director
• casting directors
• casting-net
• casting-nets
• castings
• casting vote
• casting votes
• casting-weight
• casting-weights
• cast in one's lot with
• cast in someone's teeth
• cast iron
• cast-iron
• cast irons
• castle
• castle-building
• castled
• castle-guard
• castle-guards