Dictionary.com
Thesaurus.com

na

1 American  
[nah, nuh] / nɑ, nə /

adverb

  1. no.

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


conjunction

  1. nor; neither.

Na 2 American  
Symbol, Chemistry.
  1. sodium.


NA 3 American  

abbreviation

  1. not applicable. Also n/a

  2. not available.


n/a 4 American  

abbreviation

  1. no account.

  2. not applicable. Also NA

  3. not available.


N.A. 5 American  

abbreviation

  1. National Army.

  2. North America.

  3. not applicable.

  4. Microscopy. numerical aperture.


NA 1 British  

abbreviation

  1. North America

  2. Netherlands Antilles (international car registration)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Na 2 British  

symbol

  1. sodium

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

na 3 British  
/ nɑː /

determiner

  1. a variant of nae

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

na 4 British  

abbreviation

  1. Namibia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

n/a 5 British  

abbreviation

  1. not applicable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of na1

before 900; Middle English (north and Scots); in part representing Old English ( 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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

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

They went on to donate the funds to two Belfast organizations, Glór na Móna and R-City Belfast.

From Los Angeles Times • Apr. 11, 2025

Our youth is wasted We will not waste it Remember my name ’Cause we made history Na na na na, na na na I poke Mirren with a carrot.

From "We Were Liars" by E. Lockhart