onerous /onˈə-rəs or ōˈnə-rəs/

1. Burdensome
2. Oppressive

onˈerously adverb

onˈerousness noun

• stonechats
• stone circle
• stone circles
• stone coal
• stone coals
• stone-cold
• stone-cold sober
• stone-colour
• stone-coloured
• stone-colours
• stone crab
• stone crabs
• stone-crazy
• stonecrop
• stonecrops
• stone curlew
• stone curlews
• stonecutter
• stonecutters
• stonecutting
• stonecuttings
• stoned
• stone-dead
• stone-deaf
• stone dresser