Rigorous is an adjective that is used to describe something which is very strict or demanding. Done carefully with a lot of attention to detail. Difficult to endure because of extreme conditions. Precise.


  1. His life been about doing things which are dangerous or challenging. He now enters the life of a CEO to take on this ‘rigorous’ opportunity.
  2. We are taken from school which is ‘rigorous’ in terms of study and behaviour and then we are sent to higher education which becomes the opposite.
  3. They went through some ‘rigorous’ research in order to determine whether their new idea was a breakthrough in the industry.

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