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All words

adjective

irrational

CEFR B2

not consistent with or using reason

In a sentence

Six example sentences with irrational, each labelled with its topic.

  • The narrator makes one irrational choice after another, burning the letters that would have cleared the family name entirely.

    Literature

  • Pulling the product a week before launch was irrational, since every survey and every pilot store showed strong demand.

    Business

  • Participants held an irrational fear of the harmless blue room, insisting it felt colder despite identical thermostat readings.

    Psychology

  • Textbook models assume buyers are never irrational, yet shoppers pay more for the same cereal in a bigger box.

    Economics

  • Holding a falling stock because you refuse to admit a mistake is irrational, and the losses only grow.

    Finance

  • The seminar asked whether it is irrational to fear a harmless spider once you know it cannot hurt you.

    Philosophy

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Found in these word lists

Each source is a published word list that contains irrational. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.

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