Definition of “minor” - English Dictionary

“minor” in British English

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minoradjective

uk /ˈmaɪ.nər/ us /ˈmaɪ.nɚ/

minor adjective (UNIMPORTANT)

B2 having little importance, influence, or effect, especially when compared with other things of the same type:

a minor operation
It's only a minor problem.
There's been an increase in minor offences, such as traffic violations and petty theft.
She suffered only minor injuries.
It requires a few minor adjustments.
a minor poet of the 16th century

More examples

minor adjective (MUSIC)

music belonging or relating to a musical scale that is generally thought to have a sad sound:

The piece is written in a minor key.
Mozart's Piano Concerto in D minor

minornoun [ C ]

uk /ˈmaɪ.nər/ us /ˈmaɪ.nɚ/ legal

minorverb

uk /ˈmaɪ.nər/ us /ˈmaɪ.nɚ/
minor in sth US

to study something as your second most important subject in college:

I minored in Spanish in college.

(Definition of “minor” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“minor” in American English

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minoradjective [ not gradable ]

us /ˈmɑɪ·nər/

minor adjective [ not gradable ] (UNIMPORTANT)

not great in size or importance:

She suffered minor injuries in the accident.
Waiting another half hour was only a minor inconvenience.

minor adjective [ not gradable ] (MUSIC)

music based on a scale (= series of musical notes) in which there is a whole step (= sound difference) between each note except between the second and third notes and between the fifth and sixth notes:

a minor scale
a minor chord

minornoun [ C ]

us /ˈmɑɪ·nər/

minor noun [ C ] (YOUNG PERSON)

a person under the age at which he or she legally becomes an adult

minor noun [ C ] (SPECIAL SUBJECT)

the second most important subject that a college student is studying:

I’m taking two courses in my minor, chemistry.

(Definition of “minor” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“minor” in Business English

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minoradjective

uk /ˈmaɪnər/ us

having little importance, influence, or effect, especially when compared with similar things:

It's only a minor problem.
There are minor differences between the models, but they're basically the same.
The vehicle only suffered minor damage.
See also

minornoun [ C ]

uk /ˈmaɪnər/ us

LAW someone who has not yet reached the age when they are legally an adult:

It's illegal for adults to supply tobacco to minors.

(Definition of “minor” from the Cambridge Business English Dictionary © Cambridge University Press)