kajillion

/kəˈd͡ʒɪljən/

//kəˈd͡ʒɪljən// noun

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

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An unspecified large number (of).

Corpus desk

Index EN-kajillion · kajillion · English

kajillion · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "K" 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 kajillion
PropertyValue
Headwordkajillion
LanguageEnglish
Part of speechNoun
IPA/kəˈd͡ʒɪljən/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “kajillion” in English

kajillionfalls 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

kajillion is uncommon English outside the top frequency list, classed as anoun, transcribed /kəˈd͡ʒɪljən/. Rarity is why readers land here mid-draft. Gloss: "An unspecified large number (of).".

We couldn't generate a plausible misspelling set for kajillion, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: See -illion; possibly influenced by kaiju (“giant monster”). The correct English form is kajillion, spelled K-A-J-I-L-L-I-O-N.

Definition

  1. 1
    An unspecified large number (of).

Recorded use

Wiktionary example

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

  1. I have now put 7 dragons on them, complete with a kajillion tiny scales ... I'm permanently cross-eyed from drawing a kajillion little scales ... and KNOTWORK ... there is a kajillion little lines crossing over and under and over and under . ...

Etymology

See -illion; possibly influenced by kaiju (“giant monster”).

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 "kajillion"?
"kajillion" is spelled K-A-J-I-L-L-I-O-N. The IPA pronunciation is /kəˈd͡ʒɪljən/.
What does "kajillion" mean?
As a noun, "kajillion" means: An unspecified large number (of).
How do you pronounce "kajillion"?
The IPA (International Phonetic Alphabet) transcription for "kajillion" is /kəˈd͡ʒɪljən/. 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 "kajillion"?
See -illion; possibly influenced by kaiju (“giant monster”). 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.

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

Source: FrequencyWords open word-frequency list