diffident

/ˈdɪfɪdənt/

//ˈdɪfɪdənt// adj

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

The verdict

“diffident” is uncommon English (frequency #84,168 among 3,470 “D” headwords), classed as an adjective. The kind of spelling people second-guess.

#84,168
frequency rank, English
3,470
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Lacking confidence in others; distrustful.

Corpus desk

Index EN-diffident · diffident · English

diffident · rank #84,168 · 0 variants · 0 confusables

  • FREQ-RARE #84,168
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH diatom

Nearest frequency peer: diatom (-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 “diffident”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for diffident
PropertyValue
Headworddiffident
LanguageEnglish
Part of speechAdjective
IPA/ˈdɪfɪdənt/
Letters9
Frequency rank#84,168
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “diffident” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).diffidentfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “diatom” (#84,167), “Dimond” (#84,172), “disequilibrium” (#84,173). Among 3,470 “D” headwords, “diffident” is #84,168. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

diffident is uncommon English at frequency #84,168 among 3,470 “D” headwords, classed as anadjective, transcribed /ˈdɪfɪdənt/. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for diffident, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From Latin diffīdentem, present participle of diffīdere (“to mistrust”). Doublet of defiant. The correct English form is diffident, spelled D-I-F-F-I-D-E-N-T.

Definition

  1. 1
    Lacking confidence in others; distrustful.
  2. 2
    Lacking self-confidence; timid; modest

Recorded use

Wiktionary examples

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

  1. Having therefore—but hold, as we are diffident of our own abilities, let us here invite a superior power to our assistance.
  2. Emma is spoiled by being the cleverest of her family. At ten years old, she had the misfortune of being able to answer questions which puzzled her sister at seventeen. She was always quick and assured: Isabella slow and diffident.

Etymology

From Latin diffīdentem, present participle of diffīdere (“to mistrust”). Doublet of defiant.

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 "diffident"?
"diffident" is spelled D-I-F-F-I-D-E-N-T. The IPA pronunciation is /ˈdɪfɪdənt/.
What does "diffident" mean?
As an adjective, "diffident" means: Lacking confidence in others; distrustful.
How do you pronounce "diffident"?
The IPA (International Phonetic Alphabet) transcription for "diffident" is /ˈdɪfɪdənt/. 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 "diffident"?
From Latin diffīdentem, present participle of diffīdere (“to mistrust”). Doublet of defiant. 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 "diffident", 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