gadzillion

noun

"gadzillion" is a 10-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
10
letters

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

Corpus desk

Index EN-gadzillion · gadzillion · English

gadzillion · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 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 gadzillion
PropertyValue
Headwordgadzillion
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “gadzillion” in English

gadzillionranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

gadzillion 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).".

Our edit-distance generator produced no likely misspellings for gadzillion, a sign its spelling follows regular English conventions. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: Contains -illion. The correct English form is gadzillion, spelled G-A-D-Z-I-L-L-I-O-N.

Definition

  1. 1
    An unspecified large number (of).

Recorded use

Wiktionary examples

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

  1. "I think you'll find that what Jez wanted to 'do'—and, in fact, actually was 'doing'—was more women." "And she was having a gadzillion affairs with anything that had a hairy chest and a gym membership card." "Gadzillions?" I asked, pulling a face. "Millions of gadzillions," said Elaine. "Millions."
  2. By selecting baseball, Hair Doo has given up a paycheck plus any other job-related satisfaction that could have been had from those pursuits. He has decided that his $10 gadzillion salary and the nonmonetary enjoyment of playing baseball outweigh his next best alternative.

Etymology

Contains -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 "gadzillion"?
"gadzillion" is spelled G-A-D-Z-I-L-L-I-O-N.
What does "gadzillion" mean?
As a noun, "gadzillion" means: An unspecified large number (of).
What is the origin of the word "gadzillion"?
Contains -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