read up on

/riːd ʌp ɑːn/

Meaning

To read a lot about a specific subject in order to gather information, learn about it, or prepare for something. It implies targeted research or background reading to build one's knowledge on a topic.

Examples

  • Before starting my research paper, I need to read up on the history of the industrial revolution.

    Before starting my research paper, I need to read up on the history of the industrial revolution.

  • She spent the entire weekend reading up on qualitative research methods for her sociology class.

    She spent the entire weekend reading up on qualitative research methods for her sociology class.

  • The professor advised us to read up on the latest developments in artificial intelligence.

    The professor advised us to read up on the latest developments in artificial intelligence.

  • I want to read up on cognitive psychology before I take the advanced seminar next semester.

    I want to read up on cognitive psychology before I take the advanced seminar next semester.

  • He read up on the company's background to prepare for his academic internship interview.

    He read up on the company's background to prepare for his academic internship interview.

Common Mistakes

  • ✗ I need to read up about the topic.

    ✓ I need to read up on the topic.

    While 'about' is occasionally heard, 'on' is the standard preposition that completes this three-word phrasal verb.

  • ✗ She readed up on the subject.

    ✓ She read up on the subject.

    The past tense of 'read' is spelled 'read' (pronounced like 'red'), not 'readed'.

Related Expressions

Practice

  • You should read up ___ the new lab safety protocols before the experiment.

    💡 The preposition that follows 'read up' to introduce the topic.

    Show answer

    on

  • To prepare for the debate, she had to ___ up on international trade laws.

    💡 The verb associated with text consumption.

    Show answer

    read