rigorous vs. vigorous

Discussion in 'English Only' started by supersupao, Jan 19, 2011.

  1. supersupao New Member

    Taiwan
    Chinese
    I've always thought it should be vigorous exercise, but my friend from the U.S. says that rigorous is right and that vigorous sounds odd. So are they interchangeable? Or is this another case of BE vs. AE?
     
  2. Tazzler Senior Member

    Maryland
    American English
    They are different to me. "vigorous exercise" would be very strenous and full of action and movement. "rigorous exercise" might be tough, but it suggests to me disciplined and structured exercise more than anything else.
     
    Last edited: Jan 19, 2011
  3. Parla Senior Member

    New York City
    English - US
    I agree with Tazzler. Exercise could be vigorous, or rigorous, or both—but they are different things.
     
  4. supersupao New Member

    Taiwan
    Chinese
    Thank you both for the explanation.:)
     

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