nuclear war

noun

"nuclear-war" is a 10-letter English headword indexed on PlainSpell.

The verdict

“nuclear war” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A war fought using nuclear (fission and/or fusion) weapons.

Corpus desk

Index EN-nuclear-war · nuclear war · English

nuclear war · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for nuclear war
PropertyValue
Headwordnuclear war
LanguageEnglish
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “nuclear war” in English

nuclear warsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

nuclear war is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A war fought using nuclear (fission and/or fusion) weapons.".

We couldn't generate a plausible misspelling set for nuclear war, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Our source data has no etymology on file for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is nuclear war, spelled N-U-C-L-E-A-R- -W-A-R.

Definition

  1. 1
    A war fought using nuclear (fission and/or fusion) weapons.

Recorded use

Wiktionary examples

These source excerpts show how nuclear war appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. IF JULY 1, 1968, figures in the history books of the future, it will be because of what happened that morning in the East Room of the White House. A few minutes after 11:30 A.M., in that gold-draped room, before hundreds of witnesses and in the glare of television floodlights, representatives of the Soviet Union, the United Kingdom, the United States, and…
  2. Vladimir Putin has told Nato countries that they risk provoking a nuclear war if they send troops to fight in Ukraine, in an annual state of the nation speech ramping up his threats against Europe and the US.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "nuclear war"?
"nuclear war" is spelled N-U-C-L-E-A-R- -W-A-R.
What does "nuclear war" mean?
As a noun, "nuclear war" means: A war fought using nuclear (fission and/or fusion) weapons.
What language does "nuclear war" come from?
"nuclear war" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list