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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

Ajay Kalia, 43 and a Boston-based AI startup founder, says he first knew AI was going to upend the world back in February 2023 while working at Spotify’s AI group.

From The Wall Street Journal ● Aug. 22, 2026

The more work AI agents do, the more founders find themselves working.

From The Wall Street Journal ● Aug. 22, 2026

This week, Jamie Chisholm looked at research by analysts at Goldman Sachs who ranked 20 companies expected to see the greatest gains in productivity as they deploy AI.

From MarketWatch ● Aug. 21, 2026

The acceleration in data creation from inference and agentic AI should offer a further boost to shares of Western Digital, Daryanani said.

From MarketWatch ● Aug. 21, 2026

At a game like this, a gifted human player could always triumph over the game’s AI, because software couldn’t improvise.

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

"I feel sad, I miss an ai," one user posted.

From Salon ● Feb. 24, 2023

For example, a1 + a2 + a3 + a4 + a5 can be written as ∑ ai.

From Textbooks ● May 6, 2020

Thus, in the case of e, when it is long, as in fête,—we find it written in five ways,—ay, ai, ea, ey, and simply a.

From Guide to the Kindergarten and Intermediate Class and Moral Culture of Infancy. by Mary E. Mann

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

Were these, then, the "ais," or some other tardi-graves, whose feet had thus marked the soil?

From Dick Sand A Captain at Fifteen by Jules Verne

One evening, when she was to come out as Phedra he led me to the stage of the Th atre Fran ais.

From True Story of My Life by Mary (Mary Botham) Howitt

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

Related Words

• robotics