1
: greater in dignity, rank, importance, or interest
one of the major poets
2
: greater in number, quantity, or extent
the major part of his work
3
: of full legal age
major children
4
a
: notable or conspicuous in effect or scope : considerable
a major improvement
b
: prominent or significant in size, amount, or degree
earned some major cash
5
: involving grave risk : serious
a major illness
6
: of or relating to a subject of academic study chosen as a field of specialization
The student's major field is geology.
7
a
: having half steps between the third and fourth and the seventh and eighth degrees
major scale
b
: based on a major scale
major key
c
: equivalent to the distance between the keynote and another tone (except the fourth and fifth) of a major scale
major third
d
: having a major third above the root
major triad
1
: a person who has attained majority
2
a
: one that is superior in rank, importance, size, or performance
economic power of the oil majors
b
: a major musical interval, scale, key, or mode
3
: a commissioned officer in the army, air force, or marine corps ranking above a captain and below a lieutenant colonel
4
a
: an academic subject chosen as a field of specialization
b
: a student specializing in such a field
a history major
5
majors plural
: major league baseball
—used with the
6
: any of several high-level tournaments in professional golf, tennis, or bowling
majored; majoring; majors
: to pursue an academic major
majored in English
Synonyms
Examples of major in a Sentence
Adjective
He's one of the major figures in 19th-century U.S. history.
Researchers have announced a major advance in the treatment of cancer.
She played a major role in the negotiations.
No major changes are expected.
The grant covered a major part of the cost.
Butter is one of the major ingredients in the recipe.
None of his health problems are major.
He suffered a major heart attack.
Noun
He chose history as his major and French as his minor.
What was your major in college?
In college, he was a history major.
a club for physics majors
Recent Examples on the Web
Kyle Russell, Austin American-Statesman, 22 Nov. 2024
Another challenge for farmers is climate change, which has led to major weather events that have impacted cotton production and yield, such as extreme flooding and droughts.
—Sarah Jones, Sourcing Journal, 21 Nov. 2024
Rachel Wells, Forbes, 4 Nov. 2024
British energy major Shell on Thursday announced a sharp drop in net profit for the third quarter, with the oil and gas giant hit by lower oil prices and weaker refining margins.
—Sasha Rogelberg, Fortune Europe, 31 Oct. 2024
John Maffei, San Diego Union-Tribune, 25 Apr. 2022
Steen, who intends to major in polymer engineering at Southern Mississippi, hopes the next level will include strong performances in the Class 2A regional and sectional and possibly a trip to the state meet.
—Darren Day, Chicago Tribune, 6 Jan. 2023
See all Example Sentences for major 
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Adjective
Yes, Fast Fire Watch Guards operates in most major cities across the U.S., guaranteeing a fire watch security guard can reach your venue within hours.
—Kyle Russell, Austin American-Statesman, 22 Nov. 2024
Another challenge for farmers is climate change, which has led to major weather events that have impacted cotton production and yield, such as extreme flooding and droughts.
—Sarah Jones, Sourcing Journal, 21 Nov. 2024
Noun
Bachelor's Degree In Computer Science Professionals with a computer science major are highly sought after across multiple industries, making this a truly transferable degree and career offering unlimited opportunities.
—Rachel Wells, Forbes, 4 Nov. 2024
British energy major Shell on Thursday announced a sharp drop in net profit for the third quarter, with the oil and gas giant hit by lower oil prices and weaker refining margins.
—Sasha Rogelberg, Fortune Europe, 31 Oct. 2024
Verb
Justin and Jayden both plan to major in business with an eye on starting in sports when their playing days are over.
—John Maffei, San Diego Union-Tribune, 25 Apr. 2022
Steen, who intends to major in polymer engineering at Southern Mississippi, hopes the next level will include strong performances in the Class 2A regional and sectional and possibly a trip to the state meet.
—Darren Day, Chicago Tribune, 6 Jan. 2023
See all Example Sentences for major
Articles Related to major
Dictionary Entries Near major
Cite this Entry
“Major.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/major. Accessed 26 Nov. 2024.
Copy CitationKids Definition
major
1 of 3 adjective
ma·jor
ˈmā-jər 
1
a
: greater in dignity, rank, or importance
a major poet
b
: greater in number, quantity, or extent
received the major part of the blame
2
a
: notable in effect or scope
a major improvement
b
: significant in size, amount, or degree
made some major cash
3
: of or relating to an academic major
4
a
: having half steps between the third and fourth and the seventh and eighth degrees
major scale
b
: based on a major scale
major key
major chord
major
2 of 3 noun1
: a military commissioned officer with a rank just below that of lieutenant colonel
2
a
: the chief subject studied by a student
chose history as his major
b
: a student specializing in a field
a French major
major
3 of 3 verb
majored; majoring
ˈmāj-(ə-)riŋ
: to study an academic major
major in English
Medical Definition
Biographical Definition
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