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  1. irrational

    • IPA[i(r)ˈraSH(ə)nəl]


    • adj.
      not logical or reasonable;not endowed with the power of reason.
    • n.
      an irrational number.
    • 釋義


    • 1. not logical or reasonable irrational feelings of hostility
    • not endowed with the power of reason.
    • 2. (of a number, quantity, or expression) not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal. Examples of irrational numbers are the number π and the square root of 2.


    • 1. an irrational number.
    • 更多解釋
    • IPA[ɪˈraʃən(ə)l]


    • adj.
      not logical or reasonable: irrational feelings of hostility
    • n.
      an irrational number or quantity; a surd.

    Oxford Dictionary