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Grade 9
(on-er-ous) 3 syllables

Definition

adjective. involving a lot of effort and difficulty.

Example Sentence

The wicked stepmother gave her many onerous tasks to complete.

More Example Sentences

His onerous duties made him very tired.

Synonyms

burdensome; heavy; demanding

Antonyms

easy; light; simple

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onerous
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Rhymes

  • onerous
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