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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.
Synonyms

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.


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.
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.


ai 4 American  
[ahy] / aɪ /

interjection

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


ai 1 British  
/ ˈɑːɪ /

noun

  1. the three-toed sloth See sloth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ai 2 British  

abbreviation

  1. Anguilla

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

AI 3 British  

abbreviation

  1. artificial insemination

  2. artificial intelligence

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

AI Scientific  
  1. Abbreviation of artificial insemination

  2. Abbreviation of artificial intelligence


Other Word Forms

Noun Inflected Forms

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

Vocabulary lists containing ai

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The company, a key supplier to AI chip giant Nvidia, said it had sold 177.9 million American depositary shares for $149 each.

From BBC Jul. 27, 2026

That's the pitch from a wave of new AI tools letting readers do exactly that.

From Barron's Jul. 27, 2026

The chip maker is seeking to expand its data-center footprint and extend its AI ecosystem into robotics and other industrial sectors.

From The Wall Street Journal Jul. 27, 2026

SK Hynix saw its market value top $1tn in its home country in May, lifted by the boom in demand for AI chips.

From BBC Jul. 27, 2026

That’s why it makes more sense to send AI instead of humans.

From "The First State of Being" by Erin Entrada Kelly

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

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

From Textbooks Feb. 13, 2015

The æ of the genitive was originally ai, that is to say, the old locative in i.

From Lectures on The Science of Language by Müller, Max

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

Koan is snow, ais a shell, mong a loon, kaug a porcupine, &c.

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

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

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

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 O'Rell, Max

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