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oo Meaning & Definition

/ˈəʊ.əʊ/

What Does Oo Mean?

As a noun, oo means (Ω, ω) The Greek letter omega. As an interjection, it means Alternative form of ooh.

Oo: Key Facts

Part of speechnoun, interjection
Pronunciation//ˈəʊ.əʊ//
Syllables1
Synonymsmoho and hoohoo
Pluraloos

Oo Definition (Noun)

  1. (Ω, ω) The Greek letter omega.

Noun

  1. Any of four Hawaiian birds of the genus Moho, formerly classed with the honeyeaters and now believed to be extinct.

Oo as an Interjection

  1. Alternative form of ooh.

Synonyms of Oo

Oo synonyms and antonyms →

Antonyms of Oo

No antonyms or near antonyms are listed by the available sources for this entry.

Oo in a Sentence

No example sentences are available for this entry.

Word Forms & Grammar

oo (plural oos)

oo

Origin of Oo

Origin 1: Representation of a long-o sound.

Origin 2: From Hawaiian ʻōʻō, resembling its call.

Origin 3: See ooh.

How Do You Say Oo?

You say oo as //ˈəʊ.əʊ//. It has 1 syllable.

Frequently Asked Questions About Oo

Is oo a noun or an interjection?

Oo is mainly used as a noun, but it can also be used as an interjection.

What is another word for oo?

You can replace oo with words such as moho and hoohoo. See the full list of oo synonyms and antonyms.

What is the plural of oo?

The plural of oo is oos.

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