incredulousness

noun

"incredulousness" is a 15-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
15
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Incredulity; the state of being skeptical or in disbelief

Corpus desk

Index EN-incredulousness · incredulousness · English

incredulousness · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 15 letters
  • VOW-6 6 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 incredulousness
PropertyValue
Headwordincredulousness
LanguageEnglish
Part of speechNoun
Letters15
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “incredulousness” in English

incredulousnesssits 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

incredulousness is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Incredulity; the state of being skeptical or in disbelief".

No misspelling variants are generated for incredulousness in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From incredulous + -ness. The correct English form is incredulousness, spelled I-N-C-R-E-D-U-L-O-U-S-N-E-S-S.

Definition

  1. 1
    Incredulity; the state of being skeptical or in disbelief

Recorded use

Wiktionary examples

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

  1. Perhaps, one ought not to be surprised that a sudden announcement of success, even though professing to be founded upon the positive testimony of personal observation, should be met by incredulousness.
  2. Tim O'Brien, who wrote a novel about war, has captured here the sense of incredulousness and theatricality he had while being shot at in Vietnam.

Etymology

From incredulous + -ness.

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 "incredulousness"?
"incredulousness" is spelled I-N-C-R-E-D-U-L-O-U-S-N-E-S-S.
What does "incredulousness" mean?
As a noun, "incredulousness" means: Incredulity; the state of being skeptical or in disbelief
What is the origin of the word "incredulousness"?
From incredulous + -ness. 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