cold-blooded

/ˈkoʊldˈblʌd.ɪd/

//ˈkoʊldˈblʌd.ɪd// adj

"cold-blooded" is a 11-letter English headword indexed on PlainSpell.

The verdict

“cold-blooded” is outside the top-ranked English vocabulary, used as an adjective - the kind of word writers most often double-check.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Having an unregulated body temperature; ectothermic.

Key facts for cold-blooded
PropertyValue
Headwordcold-blooded
LanguageEnglish
Part of speechAdjective
IPA/ˈkoʊldˈblʌd.ɪd/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cold-blooded” sits in English frequency

cold-blooded 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.

Spelling & Dictionary Insight

The English entry for cold-blooded is 12 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈkoʊldˈblʌd.ɪd/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

cold-blooded has no tracked misspelling variants, a sign its spelling follows regular English conventions. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From cold blood + -ed. The correct English form is cold-blooded, spelled C-O-L-D---B-L-O-O-D-E-D.

Definition

  1. 1
    Having an unregulated body temperature; ectothermic.
  2. 2
    Lacking emotion or compunction.
  3. 3
    Of a type of horse: tall and muscular, usually good-natured and suitable for heavy work.
  4. 4
    Of an engine or vehicle: difficult to start; runs poorly until warmed up.

Etymology

From cold blood + -ed.

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 "cold-blooded"?
"cold-blooded" is spelled C-O-L-D---B-L-O-O-D-E-D. The IPA pronunciation is /ˈkoʊldˈblʌd.ɪd/.
What does "cold-blooded" mean?
As an adjective, "cold-blooded" means: Having an unregulated body temperature; ectothermic.
How do you pronounce "cold-blooded"?
The IPA (International Phonetic Alphabet) transcription for "cold-blooded" is /ˈkoʊldˈblʌd.ɪd/. 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 "cold-blooded"?
From cold blood + -ed. 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 “cold-blooded”

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

  • The one correct English spelling is C-O-L-D---B-L-O-O-D-E-D - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkoʊldˈblʌd.ɪd/ (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
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