na

¹ American  

[nah, nuh] / nɑ, nə /

adverb

1. no.

2. not; in no way; by no means.

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conjunction

1. nor; neither.

Na ² American  

Symbol, Chemistry.

1. sodium.

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NA ³ American  

abbreviation

1. not applicable. Also n/a

2. not available.

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n/a ⁴ American  

abbreviation

1. no account.

2. not applicable. Also NA

3. not available.

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N.A. ⁵ American  

abbreviation

1. National Army.

2. North America.

3. not applicable.

4. Microscopy. numerical aperture.

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NA ¹ British  

abbreviation

1. North America

2. Netherlands Antilles (international car registration)

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Na ² British  

symbol

1. sodium

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na ³ British  

/ nɑː /

determiner

1. a variant of nae

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na ⁴ British  

abbreviation

1. Namibia

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n/a ⁵ British  

abbreviation

1. not applicable

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Etymology

Origin of na¹

before 900; Middle English (north and Scots); in part representing Old English nā ( n ( e ) not, nor + ā ever; ay ¹ ); in part variant of ne; no ¹

Origin of Na²

From the New Latin word natrium

Example Sentences

Growing up in the Philippines, when you enter someone’s home, their first question is, “kumain ka na ba?”

From Los Angeles Times • Mar. 13, 2026

In his role with Foras na Gaeilge, he has been advising governments north and south as well as public and private sector bodies on promoting the language.

From BBC • Oct. 28, 2025

Searching for a way back to their inn, they discover, you guessed it, ye olde Craigh na Dun.

From Los Angeles Times • Aug. 8, 2025

Fleadh Cheoil na hÉireann is the best known of the festivals, often simply known as the Fleadh.

From BBC • Aug. 6, 2025

“Through the door there’s a pump and bucket. Don’t bother to hurry, it’s na a race.”

From "The Name of the Wind" by Patrick Rothfuss