global warming

noun

"global-warming" is a 13-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
14
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A sustained increase in the average temperature of the Earth, sufficient to cause climate change.

Key facts for global warming
PropertyValue
Headwordglobal warming
LanguageEnglish
Part of speechNoun
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “global warming” sits in English frequency

global warming falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

global warming is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A sustained increase in the average temperature of the Earth, sufficient to cause climate change.".

We couldn't generate a plausible misspelling set for global warming, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: First attested in the 1950s. Came into common use in the mid-1970s with Wallace Smith Broecker's paper “Climatic Change: Are We on the Brink of a Pronounced Global Warming?” and Mikhail Budyko's statement in 1976 that “a global warming up has started”. The correct English form is global warming, spelled G-L-O-B-A-L- -W-A-R-M-I-N-G.

Definition

  1. 1
    A sustained increase in the average temperature of the Earth, sufficient to cause climate change.

Etymology

First attested in the 1950s. Came into common use in the mid-1970s with Wallace Smith Broecker's paper “Climatic Change: Are We on the Brink of a Pronounced Global Warming?” and Mikhail Budyko's statement in 1976 that “a global warming up has started”.

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 "global warming"?
"global warming" is spelled G-L-O-B-A-L- -W-A-R-M-I-N-G.
What does "global warming" mean?
As a noun, "global warming" means: A sustained increase in the average temperature of the Earth, sufficient to cause climate change.
What is the origin of the word "global warming"?
First attested in the 1950s. Came into common use in the mid-1970s with Wallace Smith Broecker's paper “Climatic Change: Are We on the Brink of a Pronounced Global Warming?” and Mikhail Budyko's statement in 1976 that “a global warming up has star... See the full etymology section above for more details.
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.

Using “global warming”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is G-L-O-B-A-L- -W-A-R-M-I-N-G - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list