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• bull
  bull

  noun

  the male of a bovine animal, especially of the genus Bos, with sexual organs intact and capable of reproduction.
• Bull
  Bull

  noun

  Ole (Bornemann) 1810–80, Norwegian violinist and composer.
• bull.
  bull.

  abbreviation

  bulletin.

bull

¹ American  

[bool] / bʊl /

noun

1. the male of a bovine animal, especially of the genus Bos, with sexual organs intact and capable of reproduction.

2. the male of certain other mammals, as elephants and moose.

3. a large, solidly built person.

4. a person who believes that market prices, especially of stocks, will increase (opposed to bear).

5. Astronomy, Astrology. Bull, the constellation or sign of Taurus.

6. a bulldog.

7. Slang. a police officer.

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adjective

1. male.

2. of, relating to, or resembling a bull, as in strength.

3. having to do with or marked by a continuous trend of rising prices, as of stocks.

   a bull market.

verb (used with object)

• bulls,
  present (3rd person singular)
• bulled,
  past participle,  past
• bulling
  present participle

1. Stock Exchange. to attempt to raise the price of.

2. to speculate in, in expectation of a rise in price.

3. to force; shove.

   to bull one's way through a crowd.

4. Nautical. to ram (a buoy).

idioms

1. take the bull by the horns, to attack a difficult or risky problem fearlessly.

2. bull in a china shop,

   1. an awkward or clumsy person.

   2. an inconsiderate or tactless person.

   3. a troublemaker; dangerous person.

bull ² American  

[bool] / bʊl /

noun

Slang.

1. exaggeration, lies, or nonsense.

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idioms

1. shoot / throw the bull, to talk aimlessly.

   We just sat around shooting the bull.

bull ³ American  

[bool] / bʊl /

noun

1. a bulla or seal.

2. Roman Catholic Church. a formal papal document having a bulla attached.

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Bull ⁴ American  

[bool] / bul /

noun

1. Ole (Bornemann) 1810–80, Norwegian violinist and composer.

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bull. ⁵ American  

abbreviation

1. bulletin.

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bull ¹ British  

/ bʊl /

noun

1. any male bovine animal, esp one that is sexually mature

2. the uncastrated adult male of any breed of domestic cattle

3. the male of various other animals including the elephant and whale

4. a very large, strong, or aggressive person

5. stock exchange

   1. a speculator who buys in anticipation of rising prices in order to make a profit on resale

   2. ( as modifier ) Compare bear 1

      a bull market

6. short for bull's-eye bull's-eye

7. slang short for bullshit

8. short for bulldog bull terrier

9. a clumsy person

10. slang

    1. to pass time talking lightly

    2. to boast or exaggerate

11. to face and tackle a difficulty without shirking

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adjective

1. male; masculine

   a bull elephant

2. large; strong

verb

1. (tr) to raise or attempt to raise the price or prices of (a stock market or a security) by speculative buying

2. (intr) (of a cow) to be on heat

3. slang (intr) to talk lightly or foolishly

Bull ² British  

/ bʊl /

noun

1. John . 1563–1628, English composer and organist

2. See John Bull

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Bull ³ British  

/ bʊl /

noun

1. the constellation Taurus, the second sign of the zodiac

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bull ⁴ British  

/ bʊl /

noun

1. Also called: Irish bull. a ludicrously self-contradictory or inconsistent statement

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bull ⁵ British  

/ bʊl /

noun

1. a formal document issued by the pope, written in antiquated characters and often sealed with a leaden bulla

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bull More Idioms  

More idioms and phrases containing bull

• cock and bull story
• hit the bull's-eye
• shoot the breeze (bull)
• take the bull by the horns

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Other Word Forms

Derived Forms

• bull-like
  adjective

Inflected Forms

Participles

• bulling
  present
• bulled
  past

Conjugated Forms

Present

• bull
  simple
• bulls
  simple
• have bulled
  perfect
• has bulled
  perfect
• am bulling
  progressive
• are bulling
  progressive
• is bulling
  progressive
• have been bulling
  perfect progressive
• has been bulling
  perfect progressive

Past

• bulled
  simple
• had bulled
  perfect
• was bulling
  progressive
• were bulling
  progressive
• had been bulling
  perfect progressive

Future

• will bull
  simple
• will have bulled
  perfect
• will be bulling
  progressive
• will have been bulling
  perfect progressive

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Etymology

Origin of bull¹

First recorded in 1150–1200; Middle English bule, Old English bula; akin to Old Norse boli; Greek phallós “penis,” from a root meaning “to swell”; see bullock

Origin of bull²

First recorded in 1620–30; from Medieval Latin bulla “play, game, jest,” perhaps special use of Latin bulla “bubble”; now generally taken as a euphemistic shortening of bullshit

Origin of bull³

First recorded in 1250–1300; Middle English bull(e) “a (lead) seal affixed to a papal edict, papal edict; official sealed document,” from Medieval Latin bulla “seal, sealed document,” from Latin ; see origin at bulla

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Explanation

A bull is a male cow. You can usually tell which animal in a pasture is a bull by its large size and horns. A male bovine — or cow — is a bull, and so is a male whale or elephant. Fittingly, the word bull is sometimes also used for a particularly bulky, muscular man. Another informal and slightly obscene meaning is "ridiculous," or "not true," as when you tell a lie and your brother rudely replies, "Bull!" This slang meaning has its roots in the Old French bole, "deception or trick."

Example Sentences

See Examples For:

bull Bull bull. bulls bulled bulling

But already, the bull case for Tesla is that its bets on robotics and self-driving tech are the real drivers of its future value.

From The Wall Street Journal ● Oct. 22, 2026

Fortunately for the bulls, however, he does not believe that this correction will spell the end of the bull market.

From MarketWatch ● Oct. 20, 2026

The 2025 Ferrari could be difficult to handle but it possibly wasn't as hard to control as this mechanical bull, ridden in the Austin paddock by Charles Leclerc last year.

From BBC ● Oct. 19, 2026

Analyst and Tesla bull Dan Ives said in a note that the vehicle would likely not be a major source of revenue for the company.

From The Wall Street Journal ● Oct. 16, 2026

My sons have promised me a bull as soon as they can afford it.

From "A Girl Named Disaster" by Nancy Farmer

The Direxion Daily Semiconductor Bull 3X ETF has seen a lot of red on a weekly basis so far this month, booking on Friday a third straight week of declines, according to FactSet data.

From MarketWatch ● Oct. 23, 2026

Shares of the Direxion Daily Semiconductor Bull 3X ETF took a nasty fall on Thursday, with a 20.5% drop that marked its worst day since June 23, according to FactSet data.

From MarketWatch ● Oct. 23, 2026

Carlyle turned to F1, signing a multiyear sponsorship deal with Oracle Red Bull Racing, the team of world champion driver Max Verstappen.

From The Wall Street Journal ● Oct. 22, 2026

In that scenario, then, yes, it's likely that Red Bull and Mercedes would be the manufacturers he approached.

From BBC ● Oct. 20, 2026

“Let’s see what else has gone to pot since the Big Dad has been gone,” Bull announced.

From "The Great Santini" by Pat Conroy

“I had to sit on a bull. Ron Howard drove me home in his VW, and I said, ‘Ron, tell me now.

From Fox News ● Oct. 15, 2019

“Not today. He was strong like a bull. I like that. He was telling me he was ready. He’s not an easy horse to ride, but he’s got a lot of talent.”

From Los Angeles Times ● Sep. 1, 2019

“Once he got that lead, he was a pit bull. He pitched better in the sixth and seventh innings.”

From Washington Post ● May 25, 2019

“I’m sort of like a pit bull. I never let it go.”

From The New Yorker ● Apr. 6, 2016

“I thought she was supposed to be the best bull. Al said she was the best bull.”

From "Water for Elephants" by Sara Gruen

But Joachim Klement is definitely not running with the AI bulls.

From MarketWatch ● Oct. 5, 2026

Nearly four years after the public launch of ChatGPT, the AI boom is still going, the bulls are still dancing and investors are listening for any sign that the music is about to stop playing.

From The Wall Street Journal ● Sep. 27, 2026

Lacking that, the bulls still have a chance to dominate the action.

From MarketWatch ● Sep. 18, 2026

But crypto bulls point to institutional adoption of the asset class as a bulwark against sharp falls.

From The Wall Street Journal ● Sep. 14, 2026

But there was no comparison with Romero, although neither of his bulls was much.

From "The Sun Also Rises" by Ernest Hemingway

By one measure, investors haven’t been this bulled up on stocks since the heady days of the original meme-stock frenzy back in 2021.

From MarketWatch ● May 19, 2026

The 7-foot-3 center Aday Mara bulled his way to the rim and swatted shots away.

From The Wall Street Journal ● Apr. 7, 2026

Hill, who plays like he should be a tight end for an NFL team, bulled his way around for 18 points, making nine of 13 shots.

From Los Angeles Times ● Jan. 14, 2026

Swift's three-yard TD gave the Bears a 7-0 lead and Monangai bulled over for a four-yard score that made it 17-9 in the fourth quarter.

From Barron's ● Nov. 29, 2025

“Daisy is a good one,” I bulled ahead, not letting her distract me.

From "The Name of the Wind" by Patrick Rothfuss

“I just want to make sure. Did you apologize for the behavior that went on with you and your date?” he asked, bulling over her attempts to interrupt him.

From Salon ● Jun. 3, 2024

Ham bulling up the middle on a 3-yard run, Joseph missed the extra point.

From Seattle Times ● Nov. 13, 2022

British Prime Minister Boris Johnson said on Wednesday he abhorred bulling and the abuse of power after he was asked why he promoted a Conservative lawmaker following complaints of sexual misconduct made against him.

From Reuters ● Jul. 6, 2022

Asked what studies he had made of the impact of operational changes on seniors and veterans before bulling ahead, he couldn’t answer.

From Los Angeles Times ● Aug. 21, 2020

Jon threw himself forward, bulling into the other man, and they went down together, legs entangled.

From "A Dance with Dragons" by George R. R. Martin

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