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   on·er·ous

   /ˈōnərəs/

   adjective

   • 1. (of a task, duty, or responsibility) involving an amount of effort and difficulty that is oppressively burdensome: "he found his duties increasingly onerous"
   • ▪ involving heavy obligations: "an onerous lease"

   Word Origin late Middle English: from Old French onereus, from Latin onerosus, from onus, oner- ‘burden’.

   Derivatives

   • 1. onerously adverb
   • 2. onerousness noun

   Scrabble Points: 7

   • O

     1

   • N

     1

   • E

     1

   • R

     1

   • O

     1

   • U

     1

   • S

     1

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