credulous

/ˈkɹɛd͡ʒələs/

//ˈkɹɛd͡ʒələs// adj

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

The verdict

“credulous” is uncommon English (frequency #67,336 among 5,599 “C” headwords), classed as an adjective. The kind of spelling people second-guess.

#67,336
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Excessively ready to believe things; gullible.

Corpus desk

Index EN-credulous · credulous · English

credulous · rank #67,336 · 0 variants · 0 confusables

  • FREQ-RARE #67,336
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH criminologist

Nearest frequency peer: criminologist (+1 rank slots)

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.

Long-tail ranks near “credulous”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “credulous” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for credulous
PropertyValue
Headwordcredulous
LanguageEnglish
Part of speechAdjective
IPA/ˈkɹɛd͡ʒələs/
Letters9
Frequency rank#67,336
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “credulous” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).credulousfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “criminologist” (#67,337), “craic” (#67,334), “Cowie” (#67,333). Among 5,599 “C” headwords, “credulous” is #67,336. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

credulous is uncommon English at frequency #67,336 among 5,599 “C” headwords, classed as anadjective, transcribed /ˈkɹɛd͡ʒələs/. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for credulous in our index, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Originated in 1576, borrowed from Latin crēdulus (“that easily believes a thing, credulous”), from crēdō (“to believe”). The correct English form is credulous, spelled C-R-E-D-U-L-O-U-S.

Definition

  1. 1
    Excessively ready to believe things; gullible.
  2. 2
    Believed too readily.

Recorded use

Wiktionary examples

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

  1. […]purſued his vnneighbourly purpoſe in ſuch ſort: that hee being the ſtronger perſwader, and ſhe (belike) too credulous in beleeuing or elſe ouer-feeble in reſiſting, from priuate imparlance, they fell to action; and continued their cloſe fight a long while together, vnſeene and vvithout ſuſpition, no doubt to their equall ioy and contentment.
  2. The doctor was a small, black, plump man with fuzzy hair and round, credulous eyes.

Etymology

Originated in 1576, borrowed from Latin crēdulus (“that easily believes a thing, credulous”), from crēdō (“to believe”).

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "credulous"?
"credulous" is spelled C-R-E-D-U-L-O-U-S. The IPA pronunciation is /ˈkɹɛd͡ʒələs/.
What does "credulous" mean?
As an adjective, "credulous" means: Excessively ready to believe things; gullible.
How do you pronounce "credulous"?
The IPA (International Phonetic Alphabet) transcription for "credulous" is /ˈkɹɛd͡ʒələs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "credulous"?
Originated in 1576, borrowed from Latin crēdulus (“that easily believes a thing, credulous”), from crēdō (“to believe”). 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "credulous", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list