major

¹ American  

[mey-jer] / ˈmeɪ dʒər /

noun

1. a commissioned military officer ranking next below a lieutenant colonel and next above a captain.

2. one of superior rank, ability, etc., in a specified class.

3. Education.

   1. a subject or field of study chosen by a student to represent their principal interest and upon which a large share of their efforts are concentrated.

      History was my major in college.

   2. a student engaged in such study.

4. a person of full legal age (opposed to minor).

5. Music. a major interval, chord, scale, etc.

6. the majors,

   1. Sports. the major leagues.

      He coached in the majors as well as in the minors.

   2. the companies or organizations that lead or control a particular field of activity.

      the oil majors.

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adjective

1. greater in size, extent, or importance.

   the major part of the town.

2. great, as in rank or importance: a major artist.

   a major political issue;

   a major artist.

3. serious or risky.

   a major operation.

4. of or relating to the majority.

   the major opinion.

5. of full legal age.

6. Music.

   1. (of an interval) being between the tonic and the second, third, sixth, or seventh degrees of a major scale: a major sixth.

      a major third;

      a major sixth.

   2. (of a chord) having a major third between the root and the note next above it.

7. pertaining to the subject in which a student takes the most courses.

   Her major field is English history.

8. (initial capital letter) (of one of two male students in an English public school who have the same surname) being the elder or higher in standing.

   Hobbes Major is not of a scientific bent.

verb (used without object)

1. to follow a major course of study.

   He is majoring in physics.

Major ² American  

[mey-jer] / ˈmeɪ dʒər /

noun

1. Clarence, born 1936, U.S. novelist and poet.

2. John, born 1943, British political leader: prime minister 1990–97.

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major ¹ British  

/ ˈmeɪdʒə /

noun

1. military an officer immediately junior to a lieutenant colonel

2. a person who is superior in a group or class

3. a large or important company

   the oil majors

4. (often preceded by the) music a major key, chord, mode, or scale

5. 1. the principal field of study of a student at a university, etc

      his major is sociology

   2. a student who is studying a particular subject as his principal field

      a sociology major

6. a person who has reached the age of legal majority

7. logic a major term or premise

8. a principal or important record company, film company, etc

9. (plural) the major leagues

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adjective

1. larger in extent, number, etc

   the major part

2. of greater importance or priority

3. very serious or significant

   a major disaster

4. main, chief, or principal

5. of, involving, or making up a majority

6. music

   1. (of a scale or mode) having notes separated by the interval of a whole tone, except for the third and fourth degrees, and seventh and eighth degrees, which are separated by a semitone

   2. relating to or employing notes from the major scale

      a major key

   3. (postpositive) denoting a specified key or scale as being major

      C major

   4. denoting a chord or triad having a major third above the root

   5. (in jazz) denoting a major chord with a major seventh added above the root

7. logic constituting the major term or major premise of a syllogism

8. of or relating to a student's principal field of study at a university, etc

9. the elder: used after a schoolboy's surname if he has one or more younger brothers in the same school

   Price major

10. of full legal age

11. (postpositive) Leisure:Bell-ringing of, relating to, or denoting a method rung on eight bells

verb

1. to do one's principal study (in a particular subject)

   to major in English literature

2. to take or deal with as the main area of interest

   the book majors on the peasant dishes

Major ² British  

/ ˈmeɪdʒə /

noun

1. Sir John. born 1943, British Conservative politician: Chancellor of the Exchequer (1989–90); prime minister (1990–97)

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Related Words

See capital ¹.

Other Word Forms

• majorship noun

Etymology

Origin of major

First recorded in 1350–1400; from Latin, comparative of magnus “great, large”; replacing Middle English maio(u)r, majour, from Anglo-French, from Latin, as above; see origin at majesty

Explanation

Something major is big, big, big! It's major, baby! It's large! Important! Intense! Powerful! Michael Jackson's album "Thriller" was major, eventually becoming the biggest-selling album of all time. A victory of 98 to 3 might well be called major. If you're a musician, you're probably also familiar with the difference between a minor scale and a major scale. A major scale sounds happy, while a minor one sounds sad. The discovery of life on another planet? Major. Getting into the college of your choice? Major. For everything else, there's "ordinary."

Example Sentences

Lee purposely didn’t want to set any major showdown on a golf green.

From The Wall Street Journal • Apr. 21, 2026

The AdvisorShares Psychedelics ETF, which counts AtaiBeckley and Compass among its major holdings, advanced nearly 11%, heading for its largest single-day percentage increase since October 2024.

From Barron's • Apr. 20, 2026

The trick of using an incognito browser to find cheaper airfare is unlikely to yield major savings because airlines have sophisticated ways of identifying stored cookies and users’ locations.

From MarketWatch • Apr. 20, 2026

A year later, the city of Beijing called Sunday’s race “a major step forward for the robotics industry — accelerating the transition of humanoid robots from lab to large-scale, real-world application.”

From Los Angeles Times • Apr. 20, 2026

It was a town on the White Volta, a major tributary of the Volta River, way up north.

From "Flying Through Water" by Mamle Wolo

Related Words

• big
• crucial
• great
• main
• notable
• preeminent
• principal
• radical
• serious
• significant
• vital