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

The hypnotic tune with a memorable “nah na na na nah” chorus earned them appearances on TV music variety programs like “American Bandstand.”

From Los Angeles Times • Sep. 26, 2025

These allusions to Ireland are ever-present in the band’s creations, with titles such as “Tir na nÓg” and “Connla’s Well” specked across their discography.

From Los Angeles Times • Sep. 12, 2025

This can largely be credited to their three EPs, “Knocknarea,” “Connla’s Well” and Tir na nÓg,” released in 2023, 2024 and 2025, respectively.

From Los Angeles Times • Sep. 12, 2025

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

From BBC • Aug. 6, 2025

“Nwanne di na mba,” Richard said, enigmatically, hoping that he had not mixed things up and that the proverb meant that one’s brother could come from a different land.

From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie