Ai

/ˈɑ.i/ adj, contraction, name, noun, verb, slang

adj, contraction, name, noun, verb, slang ·Common ·High school level

Meaning at a glance

  • Primary sense: A type of three-toed sloth, Bradypus tridactylus, endemic to forests of southern Venezuela, the Guianas, and northern Brazil.
  • Grammar: ai is listed as adj, contraction, name, noun, verb, slang.
  • Nearest alternatives: ai ethics, ai system, ai tool, ai-based.
  • Useful contrasts: human cognition, human intelligence, manual execution.
  • Usage evidence: Ai finds it difficult to make friends with Ken.

How to use "ai"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "ai" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "ai" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "ai" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "ai" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "ai" is acting as adj, contraction, name, noun, verb, slang in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "ai ethics" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "ai", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    A type of three-toed sloth, Bradypus tridactylus, endemic to forests of southern Venezuela, the Guianas, and northern Brazil.
  2. 2
    Initialism of artificial intelligence. abbreviation, alt-of, countable, initialism, uncountable

    "“Wintermute is the recognition code for an AI. I've got the Turing Registry Numbers. Artificial Intelligence.”"

  3. 3
    the introduction of semen into the oviduct or uterus by some means other than sexual intercourse wordnet
  4. 4
    Initialism of artificial intelligence.; A specific artificial intelligence program, such as the chatbot ChatGPT. broadly, countable
  5. 5
    a sloth that has three long claws on each forefoot and each hindfoot wordnet
Show 15 more definitions
  1. 6
    Initialism of artificial intelligence.; The system that controls the behavior of enemies and non-player characters. countable, uncountable

    "The character you are not controlling will follow you around and attack using [Sword of Mana]'s AI."

  2. 7
    the branch of computer science that deal with writing computer programs that can solve problems creatively wordnet
  3. 8
    Initialism of artificial intelligence.; A character or entity controlled by the game instead of a player. countable
  4. 9
    an agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders wordnet
  5. 10
    Initialism of action item. abbreviation, alt-of, countable, initialism, uncountable
  6. 11
    Initialism of airborne intelligence (synonym for an early type of airborne radar). British-airforce, abbreviation, alt-of, countable, initialism, uncountable
  7. 12
    Initialism of articulatory index. abbreviation, alt-of, countable, initialism, uncountable
  8. 13
    Initialism of artificial insemination. abbreviation, alt-of, countable, initialism, uncountable
  9. 14
    Initialism of adequate intake. abbreviation, alt-of, countable, initialism, uncountable
  10. 15
    Abbreviation of angiotensin I. abbreviation, alt-of, countable, uncountable
  11. 16
    Initialism of atavistic-idiosyncratic. abbreviation, alt-of, countable, initialism, uncountable
  12. 17
    Initialism of attitude indicator. abbreviation, alt-of, countable, initialism, uncountable
  13. 18
    Initialism of air integration. abbreviation, alt-of, countable, initialism, uncountable
  14. 19
    Initialism of academic integrity. abbreviation, alt-of, countable, initialism, uncountable
  15. 20
    Initialism of amelogenesis imperfecta. abbreviation, alt-of, countable, initialism, uncountable
Verb
  1. 1
    To use artificial intelligence to search for or generate content. informal
Adjective
  1. 1
    Generated or appearing to have been generated by artificial intelligence.

    "It definitely doesn’t look AI, her right (our left) pupil looks a bit shifted towards the center of her face, but it might be the highlights."

Contraction
  1. 1
    All right. US, contraction, slang

    "Ai, let's go."

Proper Noun
  1. 1
    Initialism of Air India. abbreviation, alt-of, initialism
  2. 2
    An ancient Canaanite royal city mentioned in the Book of Joshua, popularly believed to be the modern archeological site Et-Tell.
  3. 3
    A female given name from Japanese.
  4. 4
    A surname from Chinese.
  5. 5
    Initialism of American Idol. abbreviation, alt-of, initialism
Show 3 more definitions
  1. 6
    An ancient city mentioned in Jeremiah 49:3 of unknown location, possibly the same city as definition 1.
  2. 7
    Initialism of Amnesty International. abbreviation, alt-of, initialism
  3. 8
    Initialism of Adobe Illustrator. abbreviation, alt-of, initialism

Synonyms

All synonyms
ai ethicsai systemai toolai-basedai-drivenai-enabled

Antonyms

human cognitionhuman intelligencemanual executionnatural

Example

"Ai finds it difficult to make friends with Ken."

Common questions

What does "ai" mean?

A type of three-toed sloth, Bradypus tridactylus, endemic to forests of southern Venezuela, the Guianas, and northern Brazil.

What is a synonym for "ai"?

Common synonyms include: ai ethics, ai system, ai tool, ai-based, ai-driven, ai-enabled.

How do you use "ai" in a sentence?

Ai finds it difficult to make friends with Ken.

How do you pronounce "ai"?

Pronounced /ˈɑ.i/.

Etymology

Etymology 1

Originated 1685–95, from Brazilian Portuguese aí, from Old Tupi a'y.

Etymology 2

Contraction of aight (which itself is a contraction of all right).

Etymology 3

From Hebrew הָעַי (ha-'ai, “the heap of ruins”).

Etymology 4

From Japanese あい (Ai).

Etymology 5

Borrowed from Chinese 艾 (Ài).

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