sunstroke

/ˈsʌnˌstɹoʊk/

//ˈsʌnˌstɹoʊk// noun

By · According to Wiktionary data (CC BY-SA) ·

"sunstroke" is a 9-letter English headword indexed on PlainSpell.

The verdict

“sunstroke” is uncommon English (frequency #82,825 among 54,294 “S” headwords), classed as a noun. The kind of spelling people second-guess.

#82,825
frequency rank, English
54,294
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Heat stroke caused by an excessive exposure to the sun's rays.

Key facts for sunstroke
PropertyValue
Headwordsunstroke
LanguageEnglish
Part of speechNoun
IPA/ˈsʌnˌstɹoʊk/
Letters9
Frequency rank#82,825
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “sunstroke” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). sunstroke lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

sunstroke is uncommon English at frequency #82,825 among 54,294 “S” headwords, classed as anoun, transcribed /ˈsʌnˌstɹoʊk/. Rarity is why readers land here mid-draft. Gloss: "Heat stroke caused by an excessive exposure to the sun's rays.".

sunstroke doesn't appear in our generated misspelling index, suggesting the orthography follows predictable English patterns. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From sun + stroke. The correct English form is sunstroke, spelled S-U-N-S-T-R-O-K-E.

Definition

  1. 1
    Heat stroke caused by an excessive exposure to the sun's rays.

Etymology

From sun + stroke.

This word in other languages

insolación(Español)insolation(Français)Sonnenstich(Deutsch)insolação(Português)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "sunstroke"?
"sunstroke" is spelled S-U-N-S-T-R-O-K-E. The IPA pronunciation is /ˈsʌnˌstɹoʊk/.
What does "sunstroke" mean?
As a noun, "sunstroke" means: Heat stroke caused by an excessive exposure to the sun's rays.
How do you pronounce "sunstroke"?
The IPA (International Phonetic Alphabet) transcription for "sunstroke" is /ˈsʌnˌstɹoʊk/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "sunstroke"?
From sun + stroke. 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 “sunstroke”

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

  • The one correct English spelling is S-U-N-S-T-R-O-K-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈsʌnˌstɹoʊk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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