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A major

American

[ay may-jer] / ˈeɪ ˈmeɪ dʒər /

noun

Music. the key that has A as the tonic or first note of its scale and is represented by a key signature having three sharps.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A major breach from that pattern may be a month and a half away.

From Slate • Apr. 18, 2026

A major fire at Viva Energy’s Geelong oil refinery in Australia heightened concerns about the country’s oil product supply.

From The Wall Street Journal • Apr. 16, 2026

A major debt restructuring, that gave a non-cash boost to the bottom line, and helped the company’s balance sheet, came at a huge cost to shareholders.

From MarketWatch • Apr. 12, 2026

A major new research effort is set to shed light on a remarkable Roman discovery in Frankfurt, Germany.

From Science Daily • Apr. 5, 2026

A major came by, saw us sitting on the ground, and came over to us.

From "Fallen Angels" by Walter Dean Myers

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023