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Synonyms

cannonball

American  
[kan-uhn-bawl] / ˈkæn ənˌbɔl /

noun

cannonballs plural
  1. a missile, usually round and made of iron or steel, designed to be fired from a cannon.

  2. Tennis. a served ball that travels with great speed and describes little or no arc in flight.

  3. anything that moves with great speed, as an express train.


adjective

  1. made from a curled-up position with the arms pressing the knees against one's chest.

    a cannonball dive.

  2. moving at great speed.

    a train known as a cannonball express.

cannonball British  
/ ˈkænənˌbɔːl /

noun

  1. a projectile fired from a cannon: usually a solid round metal shot

  2. tennis

    1. a very fast low serve

    2. ( as modifier )

      a cannonball serve

  3. a jump into water by a person who has his arms tucked into the body to form a ball

"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

verb

  1. to rush along, like a cannonball

  2. to execute a cannonball jump

"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

adjective

  1. very fast or powerful

"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

Noun Inflected Forms

Etymology

Origin of cannonball

First recorded in 1655–65; cannon + ball 1

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:

“We need to have the basic things,” said Biniam Girmay, a high-speed cannonball from Eritrea who in 2024 won three sprint stages at the Tour de France.

From The Wall Street Journal Oct. 10, 2025

Of all the dirty, rotten, down-low things Netflix has done, providing a gaping pit of gold coins for Adam Sandler to cannonball into like Scrooge McDuck might be the worst so far.

From Salon Jul. 27, 2025

The British wanted to seize the ship and its treasure, but fired a cannonball into the San José’s powder magazines by mistake.

From BBC Oct. 2, 2024

You curl into a cannonball and pray for salvation.

From Los Angeles Times Feb. 9, 2024

A cannonball had landed in his fireplace during the first Battle of Bull Run, at the very start of the conflict.

From "Lincoln's Last Days: The Shocking Assassination that Changed America Forever" by Bill O'Reilly

A crew digging a hole for an electrical conduit in Waltham, Massachusetts, Monday unearthed 13 cannonballs.

From Washington Times Nov. 28, 2023

Historical finds include cannonballs, a sword blade and a wheel experts believe belonged to a wagon that blew up during the two days of supply dumps.

From Seattle Times Nov. 13, 2023

Eventually, jet propulsions and strong winds from within the pulsar eject the heated matter like cosmic cannonballs.

From Salon Aug. 30, 2023

“Sometimes, we’d wait until boats were coming into the harbor and do cannonballs, splashing them,” she recalled often.

From Los Angeles Times Mar. 10, 2023

But then last night, they rolled it here by putting it on top of cannonballs in an iron track.

From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman

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