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rational - definition and synonyms

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adjective     rational pronunciation in American English
  1. 1
    based on sensible practical reasons instead of emotions

    There didn’t seem to be any rational explanation for his actions.

    Your choice was perfectly rational under the circumstances.

    a rational approach to the problem

  2. 2
    thinking about what you do in a calm way, and making sensible and intelligent decisions

    Let’s try to discuss this like rational human beings.

    Calm down and try to be rational.

derived word


     rationality pronunciation in American English
/ˌræʃəˈnæləti/ noun [uncountable]

I hope we can introduce some rationality into these debates.



a lifestyle focussing on simple pleasures such as comfort and cosiness in the home, and spending time with friends and family

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a form of location that involves the underwater detonation of a bomb which causes sound waves that are picked up by ships

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