nought
/nɔːt/
noun
  1. Nothing; something which does not exist.
  2. A thing or person of no worth or value; nil.
  3. Not any quantity of number; zero; the score of no points in a game.
from Wiktionary, Creative Commons Attribution/Share-Alike License. More at Wordnik
One exception I can think of where you can't replace it with "zero" is in "Noughts and crosses" (aka tic tac toe) Answer from epiclevellama on reddit.com
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Cambridge Dictionary
dictionary.cambridge.org › us › dictionary › english › nought
NOUGHT | definition in the Cambridge English Dictionary
1 week ago - NOUGHT meaning: 1. the number 0 or zero: 2. → naught old use or literary 3. the number 0 or zero: . Learn more.
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Dictionary.com
dictionary.com › browse › nought
NOUGHT Definition & Meaning | Dictionary.com
1 week ago - What does nought mean? Nought means nothing or none, as in All of my efforts at winning the game were for nought because I lost badly.Nought also refers to zero. For example, if your math class is in Room One-Nought-Seven, it is in Room 107.
Discussions

How common is it to use the word 'nought' in British English? Can it always be replaced with 'zero'?
One exception I can think of where you can't replace it with "zero" is in "Noughts and crosses" (aka tic tac toe) More on reddit.com
🌐 r/EnglishLearning
32
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August 24, 2022
I understand the use of Naught But, but how about But Naught? (example)
Here the 'but' means 'only' since it is before 'naught'. You see similar construction in french with "ne ...que" or in Norwegian with "kunn". You could say "This gift is but a small token of my appreciation." The trick is that 'but' in this case already means 'naught but' or 'nothing but'. So you are right on "nothing more than nothing" but it doesn't flow and, while technically correct, reads ambiguously. More on reddit.com
🌐 r/grammar
7
5
August 29, 2023
What do you call the figure 0 - zero, oh, nought, nil, love, or maybe something else? When do you use these?
Zero or oh, depending on context. More on reddit.com
🌐 r/AskAnAmerican
293
300
August 22, 2022
"Not for nothing, but" -- or --"Naught for nothing, but"
I think it means “for what it’s worth” More on reddit.com
🌐 r/etymology
50
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February 24, 2022
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Wiktionary
en.wiktionary.org › wiki › nought
nought - Wiktionary, the free dictionary
From Middle English nought, noght, noȝt, from Old English nōwiht, nāwiht, which in turn comes from ne-ā-wiht, which was a phrase used as an emphatic "no", meaning "not anything". [1] Equivalent to ne +‎ ought or ne +‎ a +‎ wight.
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Quora
quora.com › What-is-the-difference-between-naught-and-nought
What is the difference between 'naught' and 'nought'? - Quora
Answer (1 of 2): Nought is an old fashioned word for the numeral zero. You might say nought instead of saying zero. Naught means ‘nothing’ as in “We searched all night but it was all for naught”.
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Wikipedia
en.wikipedia.org › wiki › Names_for_the_number_0_in_English
Names for the number 0 in English - Wikipedia
September 28, 2025 - In English, "nought" and "naught" mean zero or nothingness, whereas "ought" and "aught" (the former in its noun sense) strictly speaking mean "all" or "anything", and are not names for the number 0. Nevertheless they are sometimes used as such in American English; for example, "aught" as a ...
Find elsewhere
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Collins Dictionary
collinsdictionary.com › us › dictionary › english › nought
NOUGHT definition in American English | Collins English Dictionary
2 senses: also: naught, ought, aught 1. the digit 0; zero: used esp in counting or numbering 2. → a variant spelling of naught.... Click for more definitions.
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Reddit
reddit.com › r/englishlearning › how common is it to use the word 'nought' in british english? can it always be replaced with 'zero'?
r/EnglishLearning on Reddit: How common is it to use the word 'nought' in British English? Can it always be replaced with 'zero'?
August 24, 2022 - But it's only spelt and pronounced "nowt" (with the vowel of "how", "now") when it means "nothing". (E.g. "That's got nowt to do with you.") If you want to say zero then it's "nought" (but "zero" is used too).
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Etymonline
etymonline.com › word › nought
Nought - Etymology, Origin & Meaning
Originating from Middle English and Old English nowiht, nought means "zero, nothing," with uses from the 12th century expressing "in vain" and "to come to naught."
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Writing Explained
writingexplained.org › home › naught or nought – what’s the difference?
Naught or Nought – What’s the Difference? - Writing Explained
July 7, 2017 - According to Merriam-Webster, naught comes from the Middle English word nought, which itself comes from an Old English compound nawiht, meaning literally no thing.
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WordHippo
wordhippo.com › what-is › another-word-for › nought.html
What is another word for nought? | Nought Synonyms - WordHippo Thesaurus
Synonyms for nought include nothing, zilch, zip, nada, naught, nix, nothingness, nowt, no effect and no point. Find more similar words at wordhippo.com!
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Thesaurus.com
thesaurus.com › browse › nought
61 Synonyms & Antonyms for NOUGHT | Thesaurus.com
On nought, Knight was given out caught behind on the field but the third umpire overturned it, saying there "inconclusive" evidence there was no bat.
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Longman Dictionary
ldoceonline.com › Numbers-topic › nought
nought | Definition from the Numbers topic | Numbers
From Longman Dictionary of Contemporary Englishnoughtnought /nɔːt $ nɒːt/ number 1 British EnglishHMNNONE/NOTHING the number 0 SYN zero A billion is 1 with 9 noughts after it.nought point one/two/three etc (=0.1,0.2 etc)2 old use used in some expressions to mean nothing Peace negotiations ...
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Reverso
dictionary.reverso.net › english-definition › nought
NOUGHT - Definition & Meaning - Reverso English Dictionary
nought definition: zero or no points in a game. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "come to nought", "reduce to nought", "bring to nought".
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Oxford English Dictionary
oed.com › dictionary › nought_v
nought, v. meanings, etymology and more | Oxford English Dictionary
There are three meanings listed in OED's entry for the verb nought, one of which is labelled obsolete.
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TheFreeDictionary.com
idioms.thefreedictionary.com › nought
Nought - Idioms by The Free Dictionary
To be totally unsuccessful or amount to nothing. ("Nought" is a variant spelling of "naught.") Our efforts to keep the farm came to nought in the end. All those hours I spent researching my graduate thesis have come to nought.
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GRAMMARIST
grammarist.com › home › homophones › knot, nought, naught or not
Knot, nought, naught or not Homophones Spelling & Definition
May 15, 2022 - Related words are knots, knotted, knotting. The word knot is derived from the Old English word cnotta, which means entwined cord or rope. Nought means nothing, and it also means the digit zero.
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Vocabulary.com
vocabulary.com › dictionary › nought
Nought - Definition, Meaning & Synonyms | Vocabulary.com
a mathematical element that when added to another number yields the same number
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Cambridge Dictionary
dictionary.cambridge.org › dictionary › english › naught
NAUGHT | English meaning - Cambridge Dictionary
2 weeks ago - NAUGHT definition: 1. nothing: 2. the number 0 or zero: 3. nothing: . Learn more.