Ao

/eɪ ˈəʊ/ adj, adv, name, noun

adj, adv, name, noun ·Uncommon ·Advanced level

Meaning at a glance

  • Primary sense: grue ("blue or green", considered one color)
  • Grammar: ao is listed as adj, adv, name, noun.
  • Nearest alternatives: actinon, ao-chiang, aojiang, aokiang.
  • Usage evidence: Willemstad is the capital of Curaçao.

How to use "ao"

  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 "ao" 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 "ao" 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 "ao" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "ao" 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 "ao" is acting as adj, adv, name, noun 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 "actinon" 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 "ao", 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
    grue ("blue or green", considered one color) uncountable
  2. 2
    Abbreviation of autonomous oblast. abbreviation, alt-of
  3. 3
    A tribe living primarily in the state of Nagaland in India. plural, plural-only
  4. 4
    Abbreviation of aorta. abbreviation, alt-of
  5. 5
    Abbreviation of autonomous okrug. abbreviation, alt-of
Show 4 more definitions
  1. 6
    Abbreviation of auxiliary oiler. Navy, US, abbreviation, alt-of
  2. 7
    Initialism of atomic orbital. abbreviation, alt-of, initialism, physical
  3. 8
    Abbreviation of area of operations. abbreviation, alt-of
  4. 9
    Abbreviation of alpha and omega. abbreviation, alt-of
Adjective
  1. 1
    Initialism of adults only. abbreviation, alt-of, initialism, not-comparable
Adverb
  1. 1
    Initialism of amongst/among/and others. abbreviation, alt-of, initialism, not-comparable
Proper Noun
  1. 1
    Initialism of Arctic oscillation. abbreviation, alt-of, initialism
  2. 2
    Their language, belonging to the Tibeto-Burman language family.
  3. 3
    A river in Zhejiang, China.

    "To produce leather goods, plants dumped an estimated 8,000 tonnes of waste a day into the Ao River, transforming its once-clear waters into a foul-smelling cesspool."

  4. 4
    A surname from Chinese.
  5. 5
    A surname from Chinese. Macau
Show 4 more definitions
  1. 6
    Abbreviation of Australian Open, a major tennis tournament, part of the Grand Slam. abbreviation, alt-of
  2. 7
    A river in Fujian, China.

    "The Ao River currently provides water for Lianjian^([sic – meaning Lianjiang]) County, irrigation for agriculture, water to villages for drinking, to fish farms, animal farms, and industries. Before the construction of the Shanzai dam the dry season flow in the Ao River at the water works at downstream Lianjian^([sic – meaning Lianjiang]) County has fallen so low (to 8.5m³/sec) that it was necessary to limited the water intake rate to the water works.[…](iii) obtain how data or the Ao River at Lianjian^([sic – meaning Lianjiang]) County from the Fujian Provincial Hydrology Department to monitor the effect of water diversion from the Tang Ban Reservoir on the quality and quantity of downstream water;[…]"

  3. 8
    Initialism of Anarchy Online. abbreviation, alt-of, initialism
  4. 9
    Initialism of Annoying Orange, an Internet-based cartoon series. abbreviation, alt-of, initialism

Example

"Willemstad is the capital of Curaçao."

Common questions

What does "ao" mean?

grue ("blue or green", considered one color)

What is a synonym for "ao"?

Common synonyms include: actinon, ao-chiang, aojiang, aokiang.

How do you use "ao" in a sentence?

Willemstad is the capital of Curaçao.

How do you pronounce "ao"?

Pronounced /eɪ ˈəʊ/.

Etymology

Etymology 1

Borrowed from Japanese あお (ao).

Etymology 2

From atonal romanization of the Mandarin pronunciation of Chinese 鰲 /鳌 (Áo) and 敖 (Áo).

Etymology 3

From atonal romanization of the Mandarin pronunciation of Chinese 敖 (Áo).

Etymology 4

Borrowed from Cantonese 歐 /欧 (au¹) or Cantonese 區 /区 (au1). Doublet of Au.

More for "ao"