indemonstrable

adj

"indemonstrable" is a 14-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
14
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - not able to be demonstrated or proved; unprovable

Corpus desk

Index EN-indemonstrable · indemonstrable · English

indemonstrable · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 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 indemonstrable
PropertyValue
Headwordindemonstrable
LanguageEnglish
Part of speechAdjective
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “indemonstrable” in English

indemonstrablefalls 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

indemonstrable is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "not able to be demonstrated or proved; unprovable".

indemonstrable has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From in- + demonstrable. The correct English form is indemonstrable, spelled I-N-D-E-M-O-N-S-T-R-A-B-L-E.

Definition

  1. 1
    not able to be demonstrated or proved; unprovable

Etymology

From in- + demonstrable.

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 "indemonstrable"?
"indemonstrable" is spelled I-N-D-E-M-O-N-S-T-R-A-B-L-E.
What does "indemonstrable" mean?
As an adjective, "indemonstrable" means: not able to be demonstrated or proved; unprovable
What is the origin of the word "indemonstrable"?
From in- + demonstrable. 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