major
Noun pluralmajors
Pluralmajors
Formsmajors, majoring, majored
- 1Important, 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
- 2The 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
- 3A 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
- 5A 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.
- 6To 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
- 7Serious 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.
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
Less common meanings
- 8In music, of a scale or key: based on the major scale, with a major third above the keynote and semitones between the third and fourth and the seventh and eighth notes, typically sounding bright.
The composer shifted to a major key for the triumphant finale.
Most nursery songs are set in a major key.
UsageAfter a note name: C major, the key of D major; but before key or scale: a major key.
Oppositeminor
Note
The bright, joyful effect is a tendency rather than a rule. Composers reach for a major key for triumph, but the key alone does not guarantee cheerfulness.
Checked 2 Nov 2026 · 3 facts
- Major-key music tends to sound bright and happy. open.edu
- Composers use major keys to express triumph. esm.rochester.edu
- A major key does not by itself guarantee a cheerful effect. en.wikipedia.org
- 9Short for major key: a key based on a major scale, often heard as bright or cheerful.
The symphony ends triumphantly in C major.
He transposed the hymn into G major to suit the choir's range.
UsageUsually in + note name + major: ends in C major.
Note
The everyday shortening: the word key falls away and the note name does the work, so a symphony ends in C major and a hymn moves into G major.
- 10A large, commercially successful company, especially a record label bigger than an independent one.
After years on small labels, the singer finally signed to a major.
The big majors control much of the global music market.
UsageUsually plural, the majors, set against the independents.
Oppositeindie
Note
Billboard in 1997 describes a band re-signing to XL despite "being chased by majors that included Island," which captures the use exactly: a major is a label with size and money behind it. The word can extend to any large, commercially successful company.
Checked 2 Nov 2026 · 2 facts
- The cited Billboard article was published in 1997. worldradiohistory.com
- The Billboard passage describes a band re-signing to XL and contains the exact words quoted. en.wiktionary.org
- 11Relating to the subject a student chooses as their main field of specialization.
The department lists the major requirements every student must complete.
Her major coursework focuses heavily on statistics.
UsageBefore a noun: major requirements, major courses; after be, major means important instead.
- 12The leader of a band or of one group of its players, named with a word such as drum or pipe in front.
Each pipe major drilled his players until the marches were note-perfect.
The drum major set the tempo for the whole regimental band.
UsageWith an instrument in front: drum major, pipe major; the plural is drum majors.
Note
A title that never travels alone: drum major, pipe major and trumpet major each pair the word with an instrument, though a drum major leads the whole band. The title sits within military rank vocabulary, which is why a band officer carries a rank-like name.
Checked 2 Nov 2026 · 2 facts
- A drum major leads the whole band. en.wiktionary.org
- These band titles have military associations. en.wikipedia.org
- 13Of a second, third, sixth, or seventh, or such an interval plus one or more octaves: one semitone wider than the matching minor interval, as between the tonic and that degree of a major scale.
The leap from C to E is a major third, four semitones across.
A major second is the step from C up to D, two semitones wide.
Oppositeminor
Note
Here the Latin comparative is still audible. A major interval is literally the greater of a pair, one semitone wider than its minor twin.
Checked 2 Nov 2026 · 2 facts
- Major derives from a Latin comparative meaning greater. en.wiktionary.org
- A major interval is one semitone wider than the corresponding minor interval. support.fender.com
- 14Of a chord, having a major third above its root note.
The song opens on a bright C major chord.
A major chord resolves the phrase more sweetly than a minor one would.
Oppositeminor
Note
A triad takes its name from its intervals above the root. If the third is a major interval and the fifth is perfect, the triad is called major. Major triad is the textbook phrase; in everyday talk among players it usually becomes a C major chord or a G major chord.
Checked 31 Oct 2026 · 2 facts
- A triad's quality depends on both its third and its fifth above the root. github.com
- A major triad requires a major third and a perfect fifth above the root. An augmented triad also has a major third. en.wikipedia.org
- 15Short for major interval: a gap between notes one half step wider than the matching minor gap.
When the teacher played a pair of thirds, he quickly picked out the major from the minor.
In the drill on sixths, most students could hear the major but struggled with the minor.
Note
Dropping interval leaves a noun that can stand alone, as in "a major rather than a minor." Ear-training drills use this noun once the interval size is clear. In major second, major third, major sixth and major seventh, major is an adjective before an ordinal. These four are the simple interval sizes that can be major or minor.
- 16In logic, of a term or premise in a categorical syllogism: being the predicate of the conclusion, or containing that term.
The major premise supplies the general rule the argument rests on.
He rewrote the major premise to make its scope explicit.
Oppositeminor
Note
A premise takes its name from the term it carries. Whichever premise contains the predicate of the conclusion is the major premise, and its other term is the middle term. Traditionally it is stated first, but the label depends on content, not on order.
Checked 31 Oct 2026 · 5 facts
- Premises are named after the major or minor terms they contain. gutenberg.org
- The major premise contains the predicate of the conclusion. sites.oxy.edu
- The other term in the major premise is the middle term. en.wikisource.org
- The major premise is conventionally stated first. sluckelman.webspace.durham.ac.uk
- The label depends on the terms contained in the premise, irrespective of its position. gutenberg.org
- 17Short for major premise: the premise of a syllogism that contains the major term, usually a general statement.
He granted the conclusion only after testing the major.
The major rests on a generalization the audience refused to accept.
Note
Logicians' shorthand, made by dropping premise. The major is the premise that joins the major term to the middle term, and by convention it is stated first in a syllogism. The clipping can be ambiguous within logic itself, because a shortened major term uses the identical noun.
Checked 2 Nov 2026 · 4 facts
- The logical noun major is an elliptical form of major premise. en.wiktionary.org
- The major premise connects the major term with the middle term. faculty.washington.edu
- The major premise is conventionally stated first. gutenberg.org
- Major can also be an elliptical form of major term, allowing ambiguity between the term and the premise. en.wiktionary.org
- 18An elder brother, especially at a British public school, where the word followed his surname to set him apart from a younger brother.
Everyone in the house knew Wilson major as the better bowler of the two.
The prefect summoned Hartley major to the housemaster's study.
UsagePlaced after the surname: Wilson major, with Wilson minor for the younger brother.
Oppositeminor
Note
Public-school slang of an older Britain: the elder of two brothers became Wilson major and the younger Wilson minor, with the word placed after the surname. Here that word after the surname becomes a noun for the elder brother himself.
Checked 2 Nov 2026 · 2 facts
- British public-school naming distinguished older and younger brothers by placing major and minor after their surname; Wilson is an illustrative surname. sedberghlookaround.org.uk
- Major has a noun sense meaning an elder brother, especially at a public school. en.wiktionary.org
- 19Having reached full legal age and the rights of adulthood.
- 20A person who has reached the legal age of adulthood.
- 21Short for major suit: in bridge, hearts or spades, the higher-scoring suits.
- 22In Canadian football, a touchdown, scored for six points; also known as a major score.
- 23In Australian rules football, a goal, scored by kicking the ball cleanly between the two central posts.
- 24A large leaf-cutter ant of the soldier caste, which defends the colony's nest.
- 25Describing change ringing in which eight bells keep swapping their order.
- 26Placed after a pupil's surname in British private schools to tell apart the older boy of a pair of brothers, or the oldest of three.
- 27Change ringing in which eight bells sound in constantly shifting orders.
- 28A mayor, or in older Scots use a mair, a court or burgh officer.
Showing meanings only.
Practice
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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
- English major comes from Middle English major, from Latin maior. en.wiktionary.org
- Latin maior is the comparative of magnus. en.wiktionary.org
- Latin magnus means great, large, or important. en.wiktionary.org
- Latin maior goes back to reconstructed Proto-Indo-European *méǵh₂yōs, meaning greater. en.wiktionary.org
- Major and mayor are doublets. en.wiktionary.org
- Major is etymologically related to French majeur. en.wiktionary.org