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leader

American  
[lee-der] / ˈli dər /

noun

  • leaders
    plural
  1. a person or thing that leads.

  2. a guiding or directing head, as of an army, movement, or political group.

  3. Music.

    1. a conductor or director, as of an orchestra, band, or chorus.

    2. the player at the head of the first violins in an orchestra, the principal cornetist in a band, or the principal soprano in a chorus, to whom any incidental solos are usually assigned.

  4. a featured article of trade, especially one offered at a low price to attract customers.

  5. Journalism.

    1. leading article.

    2. Also called leading articleBritish. the principal editorial in a newspaper.

  6. blank film or tape at the beginning of a length of film or magnetic tape, used for threading a motion-picture camera, tape recorder, etc.

  7. Angling.

    1. a length of nylon, silkworm gut, wire, or the like, to which the lure or hook is attached.

    2. the net used to direct fish into a weir, pound, etc.

  8. a pipe for conveying rainwater downward, as from a roof; downspout.

  9. a horse harnessed at the front of a team.

  10. Printing. leaders, a row of dots or a short line to lead the eye across a space.

  11. Nautical. lead.

  12. a duct for conveying warm air from a hot-air furnace to a register or stack.

  13. Mining. a thin vein of ore connected with a large vein.


leader British  
/ ˈliːdə /

noun

  1. a person who rules, guides, or inspires others; head

  2. music

    1. Also called (esp US and Canadian): concertmaster.  the principal first violinist of an orchestra, who plays solo parts, and acts as the conductor's deputy and spokesman for the orchestra

    2. a conductor or director of an orchestra or chorus

    1. the first man on a climbing rope

    2. the leading horse or dog in a team

  3. an article offered at a sufficiently low price to attract customers See also loss leader

  4. a statistic or index that gives an advance indication of the state of the economy

  5. Also called: leading article.  the leading editorial in a newspaper

  6. angling another word for trace 2 cast

  7. nautical another term for fairlead

  8. a strip of blank film or tape used to facilitate threading a projector, developing machine, etc, and to aid identification

  9. (plural) printing rows of dots or hyphens used to guide the reader's eye across a page, as in a table of contents

  10. botany any of the long slender shoots that grow from the stem or branch of a tree: usually removed during pruning

  11. a member of the Government having primary authority in initiating legislative business (esp in the phrases Leader of the House of Commons and Leader of the House of Lords )

  12. the senior barrister, usually a Queen's Counsel, in charge of the conduct of a case Compare junior

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of leader

First recorded in 1250–1300; Middle English leder(e); see lead 1, -er 1

Explanation

A leader is the one in the charge, the person who convinces other people to follow. A great leader inspires confidence in other people and moves them to action. A leader is the head guy or gal, the one running the show. The leader of the band calls the shots and sets the tempo for the music. A conductor is the leader of an orchestra; all musicians look to him or her to know when to begin and end playing their instruments. A president is the leader of a country whose decisions make a difference to the whole population. Martin Luther King, Jr. was a leader of the Civil Rights Movement. A leader comes first in line — in a parade or a social system — and gets a lot of attention, but ultimately, a leader needs followers.

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Vocabulary lists containing leader

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.

See Examples For:

In July, the leader of the Church, the Archbishop of Canterbury Dame Sarah Mullally, visited Ghana in one of her first international visits in the role.

From BBC Aug. 16, 2026

Chinese leader Xi Jinping last year summoned dozens of leaders from the nation’s top private companies to a rare meeting, calling on them to help China navigate economic difficulties.

From The Wall Street Journal Aug. 16, 2026

The 75-year-old leader made the announcement while speaking from the ramparts of New Delhi's imposing 17th-century Red Fort to mark the country's independence from Britain on August 15, 1947.

From Barron's Aug. 15, 2026

She even called legendary labor leader Dolores Huerta to try to get her to retract her endorsement of Wiener.

From Slate Aug. 15, 2026

As a naval officer, Dr. Kane had trained to be a leader.

From "American Spirits" by Barb Rosenstock

But regional leaders are also growing more frustrated by the lack of fundamental changes in Tehran’s behavior in response to diplomatic outreach.

From The Wall Street Journal Aug. 17, 2026

The leaders in that space, OpenAI and Anthropic, are both planning initial public offerings in the coming months.

From The Wall Street Journal Aug. 16, 2026

And though he insists that this is not about direct financial gain for African leaders, one of the demands laid out at the recent summit on reparations clearly talked of debt relief and debt cancellation.

From BBC Aug. 16, 2026

They’re also the only leaders who answer to other bosses.

From Salon Aug. 16, 2026

Hoping to prevent another war, the world leaders gave in to Hitler’s demands.

From "Hitler Youth: Growing Up in Hitler's Shadow" by Susan Campbell Bartoletti

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