Definition of arduous

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  • arduous is a valid Scrabble US word with a point value of 8
  • arduous is a valid Scrabble UK word with a point value of 8
  • arduous is a valid Words with friends word with a point value of 10

Definition of arduous

  • taxing to the utmost; testing powers of endurance (adjective)

    Examples

    1. your willingness after these six arduous days to remain here

    Synonyms

    1. straining
    2. strenuous
  • characterized by effort to the point of exhaustion; especially physical effort (adjective)

    Examples

    1. worked their arduous way up the mining valley

    Synonyms

    1. backbreaking
    2. grueling
    3. gruelling
    4. hard
    5. heavy
    6. laborious
    7. operose
    8. punishing
    9. toilsome
  • difficult to accomplish; demanding considerable mental effort and skill (adjective)

    Examples

    1. the arduous work of preparing a dictionary

See definition of arduous in Merriam Webster