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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  

[ay-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  

abbreviation

1. artificial insemination

2. artificial intelligence

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ai ² British  

/ ˈɑːɪ /

noun

1. the three-toed sloth See sloth

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ai ³ British  

abbreviation

1. Anguilla

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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

Alternatively, AI companies could give up on making the reasoning of their models traceable and transparent at all.

From The Wall Street Journal ● Oct. 2, 2026

But AI agents will strain the system that makes lending possible.

From The Wall Street Journal ● Oct. 2, 2026

To survive when AI moves money automatically, banks will need to change how they do business.

From The Wall Street Journal ● Oct. 2, 2026

Also, AI labs have said these traces can contain disturbing statements, even if they consider the output itself safe.

From The Wall Street Journal ● Oct. 2, 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

The menu at Trattoria Cammillo, a block south of the Arno River near the Ponte Santa Trinita, listed the dish as “tagliatelle fatte in casa ai funghi porcini freschi.”

From Washington Post ● Mar. 5, 2023

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

From Textbooks ● May 6, 2020

"Cio avvenne forse ai tempi D'Omero e di Valmichi——" That was another Nancy.

From The Devourers by Annie Vivanti Chartres

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

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

"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

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