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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

The San Francisco AI company also estimates if a user is under 18 and those minors will also be added to ChatGPT for Teens.

From Los Angeles Times ● Aug. 18, 2026

According to Pangram, A.I.-assisted writing “is text a person wrote partly with help from an AI tool—for example, editing or rewriting parts.”

From Slate ● Aug. 18, 2026

So why did I use a travel agent when I could get an AI chatbot to spit out a full itinerary in seconds?

From MarketWatch ● Aug. 18, 2026

The spectacular implosions of big deals over suspected AI use are forcing a reckoning over creativity, trust and the future of the industry.

From The Wall Street Journal ● Aug. 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

"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

He pronounced a like ae, ei like ai, and his r's like gurgling g's.

From The Undying Past by Hermann Sudermann

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

Footnote 14: Some formula such as ais esse meum.

From Apocolocyntosis by Lucius Annaeus Seneca

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

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

Related Words

• robotics