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major

MAY-jur/ˈmeɪd͡ʒɚ/SayMAY-juhUK/ˈmeɪ.d͡ʒə(ɹ)/[ˈmæɪ̯d͡ʒə(ɹ)]

Noun pluralmajors

Verbmajors, majoring, majored

28 meanings of major

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  1. 1
    adjectivebefore a noun
    Important, serious, or significant; great in size, amount, effect, or rank compared with others of its kind.

    The merger was a major event for the entire industry.

    She played a major role in the company's success.

    UsageCommon combinations: play a major role in something, a major problem, a major event.

    Similarimportant, significant, big, key, leading

    Oppositeminor, unimportant, insignificant

  2. 2
    main subjectnounAustraliaCanadaNew ZealandUScountable
    The main subject or course a student focuses on while working toward a college or university degree.

    She declared her major in economics at the end of sophomore year.

    Choosing a major can feel overwhelming for new students.

    UsageStudents choose or declare a major: a major in economics. As a verb, you major in a subject.

    Similarcourse

    Oppositeminor

  3. 3
    army officernouncountable
    A military officer in the army or US air force, ranking between captain and lieutenant colonel.

    The major briefed the troops before the operation began.

    After the war, he retired with the rank of major.

    UsageCapitalized before a name: Major Smith; also the rank of major, promoted to major.

    Note

    A field-grade rank, the first one above captain, in most armies and air forces and in the US Marine Corps and Space Force. Unlike the band officer's title, which always needs a word in front of it, this rank is complete on its own.

  4. 4
    adjectivebefore a noun
    Greater than the rest in number, quantity, or extent.

    The major portion of the city's budget goes to roads and schools.

    Rice makes up the major part of their daily diet.

    UsageUsually in the major part of, the major portion of or the major share of.

    Similarmain

    Oppositeminor

  5. 5
    college studentnounAustraliaCanadaNew ZealandUScountable
    A college or university student who specializes in a particular area of study.

    As an engineering major, she spends long hours in the lab.

    The career fair attracted many computer science majors.

    UsageThe subject comes first: a biology major, history majors.

    Note

    Here the word names the person by their subject: a math major, engineering majors, computer science majors.

  6. 6
    study mainlyverbintransitive
    To study a particular subject as one's main field at a college or university.

    Many students major in business hoping for stable careers.

    He decided to major in physics after a great first class.

    UsageTakes in: major in physics, majoring in history; the forms are regular.

    Similarspecialize, concentrate

    Oppositeminor

  7. 7
    very seriousadjectivebefore a noun
    Serious enough to involve great risk, even to a person's life.

    The patient underwent major surgery to remove the tumor.

    The accident left him needing major surgery on both legs.

    UsageCommon in major surgery, major injuries and major illness; the opposite is minor.

    Similarserious, grave

    Oppositeminor

    Note

    In clinical language the word signals danger rather than size. Major surgery and a major illness are the kinds that put a patient at real risk. The contrast with minor does the work here: a minor procedure carries little risk and a major one carries more. In medical contexts, read the word as a statement about seriousness, not just scale.

    Checked 31 Oct 2026 · 1 fact

    • Major surgery can be routine. WA Health describes hysterectomy as a major surgical procedure and explicitly discusses routine hysterectomy. healthywa.wa.gov.au

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Can you tell the meanings of major apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origin

From Middle English major, from Latin maior, the comparative of magnus ('great, large, important'), which goes back to Proto-Indo-European *méǵh₂yōs ('greater'). It is a doublet of mayor and is related to French majeur.

Checked 31 Oct 2026 · 6 facts