gagillion

noun

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

The verdict

“gagillion” 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-gagillion · gagillion · English

gagillion · 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 gagillion
PropertyValue
Headwordgagillion
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “gagillion” in English

gagillionsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

gagillion 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 gagillion, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, 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 gagillion, spelled G-A-G-I-L-L-I-O-N.

Definition

  1. 1
    An unspecified large number (of).

Recorded use

Wiktionary examples

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

  1. The brochures basically told the same story Stan had given me: Pacific Properties owned a gagillion places that generated a gagillion dollars. The implication was that if you didn't invest you just didn't care about making easy money with no risk whatsoever to your original investment.
  2. Plus, there are about a thousand things that also could, or should get done in that time: a load of laundry, loading the dishwasher, tidying the kitchen, picking up a gagillion toys and blankies off the ground, restocking the change tables.

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