inarguable

adj

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

The verdict

“inarguable” is uncommon English (outside the top frequency list), classed as an adjective. 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) - Not arguable; certain, incontestable or incontrovertible.

Corpus desk

Index EN-inarguable · inarguable · English

inarguable · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" 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 inarguable
PropertyValue
Headwordinarguable
LanguageEnglish
Part of speechAdjective
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “inarguable” in English

inarguablesits 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

inarguable is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Not arguable; certain, incontestable or incontrovertible.".

No generated misspelling entries exist for inarguable in our index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From in- + arguable. The correct English form is inarguable, spelled I-N-A-R-G-U-A-B-L-E.

Definition

  1. 1
    Not arguable; certain, incontestable or incontrovertible.

Recorded use

Wiktionary example

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

  1. To polarize, and indeed, to artificially distinguish between the secular and the religious is to dismiss the inarguable Judeo-Christian foundation of contemporary secular institutions.

Etymology

From in- + arguable.

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 "inarguable"?
"inarguable" is spelled I-N-A-R-G-U-A-B-L-E.
What does "inarguable" mean?
As an adjective, "inarguable" means: Not arguable; certain, incontestable or incontrovertible.
What is the origin of the word "inarguable"?
From in- + arguable. 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