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• AI
  AI

  noun

  artificial intelligence:
• ai
  ai

  noun

  a three-toed sloth, Bradypus tridactylus, inhabiting forests of southern Venezuela, the Guianas, and northern Brazil, having a diet apparently restricted to the leaves of the trumpet-tree, and sounding a high-pitched cry when disturbed.

AI

¹ American  

[ey-ahy] / ˈeɪˈaɪ /

Or A.I.

noun

1. artificial intelligence:

   1. the ability of a computer, robot, programmed device, or software application to perform operations and tasks analogous to human learning and decision making, such as recognizing speech and answering questions.

      The researchers used AI to detect patterns in patients' health data.

   2. a computer, robot, programmed device, or software application able to perform operations and tasks analogous to human learning and decision making, such as recognizing speech and answering questions.

      Help train an AI in London that needs your help in understanding the world.

   3. the branch of computer science involved with the design of computers, robots, programmed devices, and software applications able to perform operations and tasks analogous to human learning and decision making.

      Many of our students have gone on to produce important, high-profile research in AI.

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adjective

1. relating to or produced with the aid of a computer, robot, programmed device, or software application able to perform operations and tasks analogous to human learning and decision making.

   Growing demand for AI engineers requires more training programs.

   Fully integrating AI output into our work poses numerous challenges, despite the labor it promises to eventually save.

AI ² American  

Or A.I.

abbreviation

1. Amnesty International.

2. army intelligence.

3. artificial insemination.

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ai ³ American  

[ah-ee] / ˈɑ i /

noun

• ais
  plural

1. a three-toed sloth, Bradypus tridactylus, inhabiting forests of southern Venezuela, the Guianas, and northern Brazil, having a diet apparently restricted to the leaves of the trumpet-tree, and sounding a high-pitched cry when disturbed.

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ai ⁴ American  

[ahy] / aɪ /

interjection

1. (used as an utterance of pity, pain, anguish, etc.)

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ai ¹ British  

/ ˈɑːɪ /

noun

1. the three-toed sloth See sloth

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ai ² British  

abbreviation

1. Anguilla

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AI ³ British  

abbreviation

1. artificial insemination

2. artificial intelligence

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AI Scientific  

1. Abbreviation of artificial insemination

2. Abbreviation of artificial intelligence

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Other Word Forms

Noun Inflected Forms

• ais
  plural

Etymology

Origin of AI¹

First recorded in 1960–65

Origin of ai³

First recorded in 1685–95; from Portuguese aí, from Tupi a'í, probably of imitative origin

Example Sentences

See Examples For:

AI ai ais

On Friday, Huang told CBS News, the BBC's US partner, "we should go as fast as we can" with AI development.

From BBC ● Sep. 19, 2026

Some of the most pessimistic predictions warn that there is a greater than 10% chance that AI could wipe out all humans in the next 10 years.

From BBC ● Sep. 19, 2026

The UBS team just shared 14 of their “highest-conviction calls” within those sectors, many of which are levered to AI and the idea that there’s plenty of money floating around the broader ecosystem.

From MarketWatch ● Sep. 18, 2026

The AI giant had been expected to stage a record-breaking offering in October, according to people familiar with the matter.

From The Wall Street Journal ● Sep. 18, 2026

This had really irked me, so I started practicing Joust on my own, playing a few games a night against an AI opponent.

From "Ready Player One: A Novel" by Ernest Cline

Noah Goodman is a professor of psychology and computer science at Stanford University and co-founder of the startup humans& ai.

From The Wall Street Journal ● Jan. 15, 2026

“Even without all the ai slop this ad feels incredibly odd,” said one comment on the commercial posted on YouTube.

From Los Angeles Times ● Dec. 10, 2025

A vector v = ai + bj is written in terms of magnitude and direction as See Example 13.

From Textbooks ● Feb. 13, 2015

The jovial diplomat has been knighted in a dozen countries, and the church he is attached to as cardinal is Rome’s exquisite, baroque San Carlo ai Catinari.

From Salon ● Mar. 10, 2013

In counting syllables in Bihari, ai and au count each as two syllables, not each as one long syllable.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" by Various

When Andrew Carnegie put up the first $1,000,000 to start a school in Pittsburgh, ais objective was on the modest side.

From Time Magazine Archive

Just as I was about to take a delicious forkful of egg, Major Mar ais said, “No, Mandela, that is against the orders of your physician,” and he reached over to take the tray.

From "Long Walk to Freedom" by Nelson Mandela

"Miss Lange, Anne," he said, "let us go together to Lar—and be happy there—happy as two ais, or three-toed South American sloths."

From Of All Things by Robert C. Benchley

To settle his undecided mind, you repeat: "Je serais," and you may lay great emphasis on ais, bleating for thirty seconds like a sheep in distress.

From John Bull, Junior or French as She is Traduced by Max O'Rell

Thus the plural of Koan, snow, would be koanad; of ais, shell, aisad; moaz, moas, moazad, &c.

From Personal Memoirs of a Residence of Thirty Years with the Indian Tribes on the American Frontiers by Henry Rowe Schoolcraft

Related Words

• robotics