duplicitous

/djʊˈplɪsɪtəs/

//djʊˈplɪsɪtəs// adj

"duplicitous" is a 11-letter English headword indexed on PlainSpell.

The verdict

“duplicitous” is uncommon English (frequency #58,655 among 3,470 “D” headwords), classed as an adjective. The kind of spelling people second-guess.

#58,655
frequency rank, English
3,470
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Given to or marked by deliberate deceptiveness in behavior or speech.

Corpus desk

Index EN-duplicitous · duplicitous · English

duplicitous · rank #58,655 · 0 variants · 0 confusables

  • FREQ-RARE #58,655
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH effusion

Nearest frequency peer: effusion (+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 “duplicitous”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for duplicitous
PropertyValue
Headwordduplicitous
LanguageEnglish
Part of speechAdjective
IPA/djʊˈplɪsɪtəs/
Letters11
Frequency rank#58,655
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “duplicitous” 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).duplicitousfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “effusion” (#58,656), “eggman” (#58,657), “dro” (#58,652). Among 3,470 “D” headwords, “duplicitous” is #58,655. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

duplicitous is uncommon English at frequency #58,655 among 3,470 “D” headwords, classed as anadjective, transcribed /djʊˈplɪsɪtəs/. Rarity is why readers land here mid-draft. Gloss: "Given to or marked by deliberate deceptiveness in behavior or speech.".

duplicitous has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From duplicity + -ous. The correct English form is duplicitous, spelled D-U-P-L-I-C-I-T-O-U-S.

Definition

  1. 1
    Given to or marked by deliberate deceptiveness in behavior or speech.

Recorded use

Wiktionary examples

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

  1. It reunites the horribly duplicitous skag-addicted non-heroes of the first movie about twentysomethings trying to get off heroin in Edinburgh, and finding that they have nothing very much to put in its place.
  2. Russia played on those feelings by attacking the French president, Emmanuel Macron[…], saying Moscow still remembered the fate of Napoleon Bonaparte and accusing the French president of duplicitous diplomacy with the Kremlin.

Etymology

From duplicity + -ous.

Synonyms

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 "duplicitous"?
"duplicitous" is spelled D-U-P-L-I-C-I-T-O-U-S. The IPA pronunciation is /djʊˈplɪsɪtəs/.
What does "duplicitous" mean?
As an adjective, "duplicitous" means: Given to or marked by deliberate deceptiveness in behavior or speech.
How do you pronounce "duplicitous"?
The IPA (International Phonetic Alphabet) transcription for "duplicitous" is /djʊˈplɪsɪtəs/. 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 "duplicitous"?
From duplicity + -ous. 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 "duplicitous", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list