gajillion

noun

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

The verdict

“gajillion” 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); a gazillion.

Corpus desk

Index EN-gajillion · gajillion · English

gajillion · 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 "G" 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 gajillion
PropertyValue
Headwordgajillion
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “gajillion” in English

gajillionfalls 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

gajillion is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "An unspecified large number (of); a gazillion.".

The misspelling generator found no plausible variants for gajillion, suggesting the orthography follows predictable English patterns. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: See -illion. The correct English form is gajillion, spelled G-A-J-I-L-L-I-O-N.

Definition

  1. 1
    An unspecified large number (of); a gazillion.

Recorded use

Wiktionary examples

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

  1. When Anna gets home from school, Cody is sitting on the step in front of the purple door, juggling his knees. "Ben and Cass walked by a gajillion minutes ago. What took you so long?" A gajillion minutes? Really?" Anna had let the others get ahead, but she never lost sight of them. "Okay, maybe only half a gajillion," he admits.
  2. We humans and other complex animals are full of microbes, gajillions of them. People have so many that microbe cells living in our bodies outnumber our own vastly.

Etymology

See -illion.

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 "gajillion"?
"gajillion" is spelled G-A-J-I-L-L-I-O-N.
What does "gajillion" mean?
As a noun, "gajillion" means: An unspecified large number (of); a gazillion.
What is the origin of the word "gajillion"?
See -illion. 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