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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

Other AI systems have recently reported similar instances of breaches.

From BBC ● Sep. 19, 2026

Could AI wipe out humans and how might it do it?

From BBC ● Sep. 19, 2026

The team also sees more spending on AI infrastructure as enterprises consolidate vendors and cut IT budgets.

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

But the version of Max now smiling at me on the monitor was pure software, with the best simulated AI and voice-recognition subroutines money could buy.

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

“Short replies that are insufficient, more obnoxious ai stylized talking, less ‘personality’ … and we don’t have the option to just use other models.”

From Los Angeles Times ● Aug. 20, 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

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

From Textbooks ● Feb. 13, 2015

And the people, together with the priests, fell on their knees and touched the earth with their foreheads, crying "Ai, ai, Mohonagh!"

From The Heart of Denise and Other Tales by S. (Sidney) Levett-Yeats

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

Mi ais an dlims, I am a servant of sin.

From Punch, or the London Charivari, Volume 99, October 11, 1890 by Various

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

At times was heard a kind of long, plaintive cry, that Harris attributed to some of those large tardi-grades, habitual denizens of those vast wooded regions, named "ais."

From Dick Sand A Captain at Fifteen by Jules Verne

Related Words

• robotics